diff --git a/README.md b/README.md
index b8cab60c..0a996470 100644
--- a/README.md
+++ b/README.md
@@ -49,6 +49,8 @@ This readme file is used mostly to document project dependencies
   <pre>
   - ESLint
   - Colorize
+  - Code Spell Checker (eng + rus)
+  - Backticks
   </pre>
 </details>
 
@@ -102,7 +104,7 @@ This readme file is used mostly to document project dependencies
 - run rsconcept/backend/LocalEnvSetup.ps1
 - use VSCode configs in root folder to start developement
 
-## Developement build
+## Development build
 - this build does not use HTTPS and nginx for networking
 - backend and frontend debugging is supported
 - hmr (hot updates) for frontend
diff --git a/rsconcept/backend/apps/rsform/models.py b/rsconcept/backend/apps/rsform/models.py
index 0b81a3b5..06126ebc 100644
--- a/rsconcept/backend/apps/rsform/models.py
+++ b/rsconcept/backend/apps/rsform/models.py
@@ -238,12 +238,12 @@ class Constituenta(Model):
         blank=True
     )
     definition_raw: TextField = TextField(
-        verbose_name='Текстовое определние (с отсылками)',
+        verbose_name='Текстовое определение (с отсылками)',
         default='',
         blank=True
     )
     definition_resolved: TextField = TextField(
-        verbose_name='Текстовое определние',
+        verbose_name='Текстовое определение',
         default='',
         blank=True
     )
@@ -501,8 +501,8 @@ class RSForm:
 
     def _insert_new(self, data: dict, insert_after: Optional[str]=None) -> 'Constituenta':
         if insert_after is not None:
-            cstafter = Constituenta.objects.get(pk=insert_after)
-            return self.insert_at(cstafter.order + 1, data['alias'], data['cst_type'])
+            cst_after = Constituenta.objects.get(pk=insert_after)
+            return self.insert_at(cst_after.order + 1, data['alias'], data['cst_type'])
         else:
             return self.insert_last(data['alias'], data['cst_type'])
 
diff --git a/rsconcept/backend/apps/rsform/serializers.py b/rsconcept/backend/apps/rsform/serializers.py
index b9955af4..e4eafd3c 100644
--- a/rsconcept/backend/apps/rsform/serializers.py
+++ b/rsconcept/backend/apps/rsform/serializers.py
@@ -481,7 +481,7 @@ class RSFormTRSSerializer(serializers.Serializer):
                 or self.initial_data['version'] < _TRS_VERSION_MIN  \
                 or self.initial_data['version'] > _TRS_VERSION:
             raise serializers.ValidationError({
-                'version': 'Некорректная версия файла Экстеор. Пересохраните файл в новой версии'
+                'version': 'Некорректная версия файла Экстеор. Сохраните файл в новой версии'
             })
         return attrs
 
diff --git a/rsconcept/backend/apps/rsform/tests/t_utils.py b/rsconcept/backend/apps/rsform/tests/t_utils.py
index 2f08cd8d..b7eb7f65 100644
--- a/rsconcept/backend/apps/rsform/tests/t_utils.py
+++ b/rsconcept/backend/apps/rsform/tests/t_utils.py
@@ -6,7 +6,7 @@ from apps.rsform.utils import apply_pattern, fix_old_references
 
 
 class TestUtils(unittest.TestCase):
-    ''' Test various utilitiy functions. '''
+    ''' Test various utility functions. '''
     def test_apply_mapping_patter(self):
         mapping = {'X101': 'X20'}
         pattern = re.compile(r'(X[0-9]+)')
diff --git a/rsconcept/backend/apps/rsform/views.py b/rsconcept/backend/apps/rsform/views.py
index f8ef7dd4..2c7d9f0c 100644
--- a/rsconcept/backend/apps/rsform/views.py
+++ b/rsconcept/backend/apps/rsform/views.py
@@ -404,7 +404,7 @@ class RSFormViewSet(viewsets.GenericViewSet, generics.ListAPIView, generics.Retr
     )
     @action(detail=True, methods=['post'])
     def resolve(self, request, pk):
-        ''' Endpoint: Resolve refenrces in text against schema terms context. '''
+        ''' Endpoint: Resolve references in text against schema terms context. '''
         serializer = s.TextSerializer(data=request.data)
         serializer.is_valid(raise_exception=True)
         text = serializer.validated_data['text']
diff --git a/rsconcept/backend/apps/users/admin.py b/rsconcept/backend/apps/users/admin.py
index 4793aa56..f5d7fdaa 100644
--- a/rsconcept/backend/apps/users/admin.py
+++ b/rsconcept/backend/apps/users/admin.py
@@ -1 +1 @@
-''' Admin: User profile and Authentification. '''
+''' Admin: User profile and Authorization. '''
diff --git a/rsconcept/backend/apps/users/apps.py b/rsconcept/backend/apps/users/apps.py
index 41e69e08..0376c6a9 100644
--- a/rsconcept/backend/apps/users/apps.py
+++ b/rsconcept/backend/apps/users/apps.py
@@ -1,4 +1,4 @@
-''' Application: User profile and Authentification. '''
+''' Application: User profile and Authorization. '''
 from django.apps import AppConfig
 
 
diff --git a/rsconcept/backend/apps/users/serializers.py b/rsconcept/backend/apps/users/serializers.py
index d2206788..9cc1e4d6 100644
--- a/rsconcept/backend/apps/users/serializers.py
+++ b/rsconcept/backend/apps/users/serializers.py
@@ -1,4 +1,4 @@
-''' Serializers: User profile and Authentification. '''
+''' Serializers: User profile and Authorization. '''
 from django.contrib.auth import authenticate
 from django.contrib.auth.password_validation import validate_password
 from rest_framework import serializers
@@ -15,7 +15,7 @@ class NonFieldErrorSerializer(serializers.Serializer):
 
 
 class LoginSerializer(serializers.Serializer):
-    ''' Serializer: User authentification by login/password. '''
+    ''' Serializer: User authentication by login/password. '''
     username = serializers.CharField(
         label='Имя пользователя',
         write_only=True
@@ -49,7 +49,7 @@ class LoginSerializer(serializers.Serializer):
 
 
 class AuthSerializer(serializers.Serializer):
-    ''' Serializer: Authentication data. '''
+    ''' Serializer: Authorization data. '''
     id = serializers.IntegerField()
     username = serializers.CharField()
     is_staff = serializers.BooleanField()
diff --git a/rsconcept/backend/apps/users/urls.py b/rsconcept/backend/apps/users/urls.py
index 9d9892ac..876e62ac 100644
--- a/rsconcept/backend/apps/users/urls.py
+++ b/rsconcept/backend/apps/users/urls.py
@@ -1,4 +1,4 @@
-''' Routing: User profile and Authentification. '''
+''' Routing: User profile and Authorization. '''
 from django.urls import path
 from . import views
 
diff --git a/rsconcept/backend/apps/users/views.py b/rsconcept/backend/apps/users/views.py
index 6597d4a9..d3e3346d 100644
--- a/rsconcept/backend/apps/users/views.py
+++ b/rsconcept/backend/apps/users/views.py
@@ -1,4 +1,4 @@
-''' REST API: User profile and Authentification. '''
+''' REST API: User profile and Authorization. '''
 from django.contrib.auth import login, logout
 
 from rest_framework import status as c
diff --git a/rsconcept/backend/cctext/ruparser.py b/rsconcept/backend/cctext/ruparser.py
index 6ac70ff1..fbeae269 100644
--- a/rsconcept/backend/cctext/ruparser.py
+++ b/rsconcept/backend/cctext/ruparser.py
@@ -54,7 +54,7 @@ class Collation:
         return self.words[self.main_word].get_parse()
 
     def get_morpho(self) -> Morphology:
-        ''' Access parsed main mrophology. '''
+        ''' Access parsed main morphology. '''
         return self.words[self.main_word].get_morpho()
 
     def add_word(self, segment, forms: list, main_form: int, need_coordination: bool = True):
@@ -332,8 +332,8 @@ class PhraseParser:
         output.add_word(segment, forms, main_index, needs_coordination)
         return segment_score
         # Alternative: return segment_score
-        # penalty_suspicoius = 0 if local_max == 0 else (1 - local_sum / local_max) * self._PRIORITY_PENALTY
-        # return segment_score - penalty_suspicoius
+        # penalty_suspicious = 0 if local_max == 0 else (1 - local_sum / local_max) * self._PRIORITY_PENALTY
+        # return segment_score - penalty_suspicious
 
     @classmethod
     def _finalize_coordination(cls, target: Collation):
diff --git a/rsconcept/backend/cctext/syntax.py b/rsconcept/backend/cctext/syntax.py
index b3bb593d..012b3960 100644
--- a/rsconcept/backend/cctext/syntax.py
+++ b/rsconcept/backend/cctext/syntax.py
@@ -1,4 +1,4 @@
-''' Russian language synthax incapsulation. '''
+''' Russian language syntax incapsulation. '''
 from __future__ import annotations
 from enum import Enum, unique
 
@@ -56,7 +56,7 @@ class Capitalization(Enum):
 
 
 class RuSyntax:
-    ''' Russian language synthax parser. '''
+    ''' Russian language syntax parser. '''
     def __init__(self):
         pass
 
diff --git a/rsconcept/backend/project/settings.py b/rsconcept/backend/project/settings.py
index bb3ab66b..753c212a 100644
--- a/rsconcept/backend/project/settings.py
+++ b/rsconcept/backend/project/settings.py
@@ -53,7 +53,7 @@ REST_FRAMEWORK = {
     'TEST_REQUEST_DEFAULT_FORMAT': 'json',
     'DEFAULT_SCHEMA_CLASS': 'drf_spectacular.openapi.AutoSchema',
     'DEFAULT_AUTHENTICATION_CLASSES': [
-        'rest_framework.authentication.SessionAuthentication',
+        'rest_framework.authentication.SessionAuthorization',
     ],
     'DEFAULT_PERMISSION_CLASSES': [
         'rest_framework.permissions.AllowAny'
@@ -80,7 +80,7 @@ MIDDLEWARE = [
     'corsheaders.middleware.CorsMiddleware',
     'django.middleware.common.CommonMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',
-    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.auth.middleware.AuthorizationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
 ]
diff --git a/rsconcept/frontend/src/App.tsx b/rsconcept/frontend/src/App.tsx
index 2883a9aa..4da3370a 100644
--- a/rsconcept/frontend/src/App.tsx
+++ b/rsconcept/frontend/src/App.tsx
@@ -3,7 +3,7 @@ import { createBrowserRouter, Outlet, RouterProvider } from 'react-router-dom';
 import ConceptToaster from './components/ConceptToaster';
 import Footer from './components/Footer';
 import Navigation from './components/Navigation';
-import { NavigationState } from './context/NagivationContext';
+import { NavigationState } from './context/NavigationContext';
 import { useConceptTheme } from './context/ThemeContext';
 import CreateRSFormPage from './pages/CreateRSFormPage';
 import HomePage from './pages/HomePage';
diff --git a/rsconcept/frontend/src/components/DataTable/PaginationTools.tsx b/rsconcept/frontend/src/components/DataTable/PaginationTools.tsx
index ff504b93..6755718b 100644
--- a/rsconcept/frontend/src/components/DataTable/PaginationTools.tsx
+++ b/rsconcept/frontend/src/components/DataTable/PaginationTools.tsx
@@ -94,4 +94,4 @@ function PaginationTools<TData>({ table, paginationOptions, onChangePaginationOp
   </div>);
 }
 
-export default PaginationTools;
+export default PaginationTools;
\ No newline at end of file
diff --git a/rsconcept/frontend/src/components/ExpectedAnonymous.tsx b/rsconcept/frontend/src/components/ExpectedAnonymous.tsx
index 1a59466c..49e3a9b3 100644
--- a/rsconcept/frontend/src/components/ExpectedAnonymous.tsx
+++ b/rsconcept/frontend/src/components/ExpectedAnonymous.tsx
@@ -1,5 +1,5 @@
 import { useAuth } from '@/context/AuthContext';
-import { useConceptNavigation } from '@/context/NagivationContext';
+import { useConceptNavigation } from '@/context/NavigationContext';
 
 import TextURL from './Common/TextURL';
 
diff --git a/rsconcept/frontend/src/components/Help/HelpAPI.tsx b/rsconcept/frontend/src/components/Help/HelpAPI.tsx
index eacb3bf0..b47d6d46 100644
--- a/rsconcept/frontend/src/components/Help/HelpAPI.tsx
+++ b/rsconcept/frontend/src/components/Help/HelpAPI.tsx
@@ -7,8 +7,8 @@ function HelpAPI() {
     <h1>Программный интерфейс Портала</h1>
     <p>В качестве программного интерфейса сервера используется REST API, реализованный с помощью Django.</p>
     <p>На данный момент API находится в разработке, поэтому поддержка внешних запросов не производится.</p>
-    <p>С описанием интерфейса можно ознакомиться <TextURL text='по ссылке' href={urls.restapi}/>.</p>
-    <p><TextURL text='Принять участие в разработке' href={urls.gitrepo}/></p>
+    <p>С описанием интерфейса можно ознакомиться <TextURL text='по ссылке' href={urls.restAPI}/>.</p>
+    <p><TextURL text='Принять участие в разработке' href={urls.git_repo}/></p>
   </div>);
 }
 
diff --git a/rsconcept/frontend/src/components/Help/HelpButton.tsx b/rsconcept/frontend/src/components/Help/HelpButton.tsx
index e5e410e1..a2053e45 100644
--- a/rsconcept/frontend/src/components/Help/HelpButton.tsx
+++ b/rsconcept/frontend/src/components/Help/HelpButton.tsx
@@ -2,7 +2,7 @@ import { BiInfoCircle } from 'react-icons/bi';
 
 import ConceptTooltip from '@/components/Common/ConceptTooltip';
 import TextURL from '@/components/Common/TextURL';
-import { HelpTopic } from '@/models/miscelanious';
+import { HelpTopic } from '@/models/miscellaneous';
 
 import { CProps } from '../props';
 import InfoTopic from './InfoTopic';
diff --git a/rsconcept/frontend/src/components/Help/HelpLibrary.tsx b/rsconcept/frontend/src/components/Help/HelpLibrary.tsx
index 0700bb8d..7bd870c8 100644
--- a/rsconcept/frontend/src/components/Help/HelpLibrary.tsx
+++ b/rsconcept/frontend/src/components/Help/HelpLibrary.tsx
@@ -8,7 +8,7 @@ function HelpLibrary() {
     <p>В библиотеки собраны различные концептуальные схемы.</p>
     <p>Группировка и классификации схем на данный момент не проводится.</p>
     <p>На текущем этапе происходит наполнение Библиотеки концептуальными схемами.</p>
-    <p>Поиск осуществлеяется с помощью инструментов в верхней части страницы.</p>
+    <p>Поиск осуществляется с помощью инструментов в верхней части страницы.</p>
     <div className='flex items-center gap-2'>
       <FiBell size='1rem'/>
       <p>Аттрибут <b>отслеживаемая</b> обозначает отслеживание схемы.</p>
diff --git a/rsconcept/frontend/src/components/Help/HelpMain.tsx b/rsconcept/frontend/src/components/Help/HelpMain.tsx
index c34dc4cf..b18f6169 100644
--- a/rsconcept/frontend/src/components/Help/HelpMain.tsx
+++ b/rsconcept/frontend/src/components/Help/HelpMain.tsx
@@ -15,8 +15,8 @@ function HelpMain() {
     <p>В меню пользователя (правый верхний угол) доступно редактирование данных пользователя и изменение цветовой темы.</p>
 
     <p className='mt-4 mb-1 text-center'><b>Поддержка</b></p>
-    <p>Портал разрабатывается <TextURL text='Центром Концепт' href={urls.concept}/> и является проектом с открытым исходным кодом, доступным на <TextURL text='Github' href={urls.gitrepo}/>.</p>
-    <p>Ваши пожелания по доработке, найденные ошибки и иные предложения можно направлять по email: <TextURL href={urls.mailportal} text='portal@acconcept.ru'/></p>
+    <p>Портал разрабатывается <TextURL text='Центром Концепт' href={urls.concept}/> и является проектом с открытым исходным кодом, доступным на <TextURL text='Github' href={urls.git_repo}/>.</p>
+    <p>Ваши пожелания по доработке, найденные ошибки и иные предложения можно направлять по email: <TextURL href={urls.mail_portal} text='portal@acconcept.ru'/></p>
   </div>);
 }
 
diff --git a/rsconcept/frontend/src/components/Help/HelpTerminologyControl.tsx b/rsconcept/frontend/src/components/Help/HelpTerminologyControl.tsx
index 342a5ac3..83b0dfca 100644
--- a/rsconcept/frontend/src/components/Help/HelpTerminologyControl.tsx
+++ b/rsconcept/frontend/src/components/Help/HelpTerminologyControl.tsx
@@ -6,7 +6,7 @@ function HelpTerminologyControl() {
     <p>Портал позволяет контролировать употребление терминов, привязанных к сущностям в концептуальных схемах.</p>
     <p>Для этого используется механизм текстовых отсылок: <i>использование термина</i> и <i>связывание слов.</i></p>
     <p>При отсылке к термину указывается параметры словоформы так, обеспечивающие корректное согласование слов.</p>
-    <p><b>Граммема</b> - минимальная единица грамматической информаци, например род, число, падеж.</p>
+    <p><b>Граммема</b> - минимальная единица грамматической информами, например род, число, падеж.</p>
     <p><b>Словоформа</b> - грамматическая форма словосочетания, которая может меняться в зависимости от его грамматических характеристик.</p>
     <p><b>Лексема</b> - все грамматические формы и словосочетания, связанные с данным словосочетанием.</p>
     <p>При работе со словосочетаниями определяется основное слово, которое определяет набор граммем и используется для согласования с другими словами в предложении.</p>
diff --git a/rsconcept/frontend/src/components/Help/InfoTopic.tsx b/rsconcept/frontend/src/components/Help/InfoTopic.tsx
index 6933a78b..ae04f41d 100644
--- a/rsconcept/frontend/src/components/Help/InfoTopic.tsx
+++ b/rsconcept/frontend/src/components/Help/InfoTopic.tsx
@@ -1,4 +1,4 @@
-import { HelpTopic } from '@/models/miscelanious';
+import { HelpTopic } from '@/models/miscellaneous';
 
 import HelpAPI from './HelpAPI';
 import HelpConstituenta from './HelpConstituenta';
diff --git a/rsconcept/frontend/src/components/Navigation/Navigation.tsx b/rsconcept/frontend/src/components/Navigation/Navigation.tsx
index a348bce9..0e933367 100644
--- a/rsconcept/frontend/src/components/Navigation/Navigation.tsx
+++ b/rsconcept/frontend/src/components/Navigation/Navigation.tsx
@@ -4,7 +4,7 @@ import { FaSquarePlus } from 'react-icons/fa6';
 import { IoLibrary } from 'react-icons/io5';
 
 import { EducationIcon } from '@/components/Icons';
-import { useConceptNavigation } from '@/context/NagivationContext';
+import { useConceptNavigation } from '@/context/NavigationContext';
 import { useConceptTheme } from '@/context/ThemeContext';
 import { animateNavigation } from '@/utils/animations';
 
@@ -40,7 +40,10 @@ function Navigation () {
       animate={!noNavigationAnimation ? 'open' : 'closed'}
       variants={animateNavigation}
     >
-      <div className='flex items-center mr-2 cursor-pointer' onClick={navigateHome} tabIndex={-1}>
+      <div tabIndex={-1}
+        className='flex items-center mr-2 cursor-pointer'
+        onClick={navigateHome}
+      >
         <Logo />
       </div>
       <div className='flex'>
diff --git a/rsconcept/frontend/src/components/Navigation/UserDropdown.tsx b/rsconcept/frontend/src/components/Navigation/UserDropdown.tsx
index 89a7e5dc..108dae2f 100644
--- a/rsconcept/frontend/src/components/Navigation/UserDropdown.tsx
+++ b/rsconcept/frontend/src/components/Navigation/UserDropdown.tsx
@@ -1,7 +1,7 @@
 import Dropdown from '@/components/Common/Dropdown';
 import DropdownButton from '@/components/Common/DropdownButton';
 import { useAuth } from '@/context/AuthContext';
-import { useConceptNavigation } from '@/context/NagivationContext';
+import { useConceptNavigation } from '@/context/NavigationContext';
 import { useConceptTheme } from '@/context/ThemeContext';
 
 interface UserDropdownProps {
diff --git a/rsconcept/frontend/src/components/Navigation/UserMenu.tsx b/rsconcept/frontend/src/components/Navigation/UserMenu.tsx
index 5b17c56b..594ff0b7 100644
--- a/rsconcept/frontend/src/components/Navigation/UserMenu.tsx
+++ b/rsconcept/frontend/src/components/Navigation/UserMenu.tsx
@@ -2,7 +2,7 @@ import { FaCircleUser } from 'react-icons/fa6';
 
 import { InDoorIcon } from '@/components/Icons';
 import { useAuth } from '@/context/AuthContext';
-import { useConceptNavigation } from '@/context/NagivationContext';
+import { useConceptNavigation } from '@/context/NavigationContext';
 import useDropdown from '@/hooks/useDropdown';
 
 import NavigationButton from './NavigationButton';
diff --git a/rsconcept/frontend/src/components/Shared/ConstituentaBadge.tsx b/rsconcept/frontend/src/components/Shared/ConstituentaBadge.tsx
index 0a17c677..961d6fc5 100644
--- a/rsconcept/frontend/src/components/Shared/ConstituentaBadge.tsx
+++ b/rsconcept/frontend/src/components/Shared/ConstituentaBadge.tsx
@@ -4,7 +4,7 @@ import ConceptTooltip from '@/components/Common/ConceptTooltip';
 import ConstituentaTooltip from '@/components/Help/ConstituentaTooltip';
 import { IConstituenta } from '@/models/rsform';
 import { isMockCst } from '@/models/rsformAPI';
-import { colorfgCstStatus,IColorTheme } from '@/utils/color';
+import { colorFgCstStatus,IColorTheme } from '@/utils/color';
 import { describeExpressionStatus } from '@/utils/labels';
 
 interface ConstituentaBadgeProps {
@@ -25,8 +25,8 @@ function ConstituentaBadge({ value, prefixID, shortTooltip, theme }: Constituent
       'text-center font-semibold whitespace-nowrap'
     )}
     style={{
-      borderColor: colorfgCstStatus(value.status, theme),
-      color: colorfgCstStatus(value.status, theme),
+      borderColor: colorFgCstStatus(value.status, theme),
+      color: colorFgCstStatus(value.status, theme),
       backgroundColor: isMockCst(value) ? theme.bgWarning : theme.bgInput
     }}
   >
diff --git a/rsconcept/frontend/src/components/Shared/ConstituentaPicker.tsx b/rsconcept/frontend/src/components/Shared/ConstituentaPicker.tsx
index afd5fa17..696e31c5 100644
--- a/rsconcept/frontend/src/components/Shared/ConstituentaPicker.tsx
+++ b/rsconcept/frontend/src/components/Shared/ConstituentaPicker.tsx
@@ -3,7 +3,7 @@ import { useEffect, useMemo, useState } from 'react';
 import ConceptSearch from '@/components/Common/ConceptSearch';
 import DataTable, { createColumnHelper, IConditionalStyle } from '@/components/DataTable';
 import { useConceptTheme } from '@/context/ThemeContext';
-import { CstMatchMode } from '@/models/miscelanious';
+import { CstMatchMode } from '@/models/miscellaneous';
 import { IConstituenta } from '@/models/rsform';
 import { matchConstituenta } from '@/models/rsformAPI';
 import { prefixes } from '@/utils/constants';
diff --git a/rsconcept/frontend/src/components/Shared/GrammemeBadge.tsx b/rsconcept/frontend/src/components/Shared/GrammemeBadge.tsx
index 4644c5ec..dc9b389f 100644
--- a/rsconcept/frontend/src/components/Shared/GrammemeBadge.tsx
+++ b/rsconcept/frontend/src/components/Shared/GrammemeBadge.tsx
@@ -2,7 +2,7 @@ import clsx from 'clsx';
 
 import { useConceptTheme } from '@/context/ThemeContext';
 import { GramData } from '@/models/language';
-import { colorfgGrammeme } from '@/utils/color';
+import { colorFgGrammeme } from '@/utils/color';
 import { labelGrammeme } from '@/utils/labels';
 
 interface GrammemeBadgeProps {
@@ -22,8 +22,8 @@ function GrammemeBadge({ key, grammeme }: GrammemeBadgeProps) {
       'text-sm font-semibold text-center whitespace-nowrap'
     )}
     style={{
-      borderColor: colorfgGrammeme(grammeme, colors),
-      color: colorfgGrammeme(grammeme, colors), 
+      borderColor: colorFgGrammeme(grammeme, colors),
+      color: colorFgGrammeme(grammeme, colors), 
       backgroundColor: colors.bgInput
     }}
   >
diff --git a/rsconcept/frontend/src/components/Shared/InfoCstClass.tsx b/rsconcept/frontend/src/components/Shared/InfoCstClass.tsx
index d7aa2a69..61a8c88c 100644
--- a/rsconcept/frontend/src/components/Shared/InfoCstClass.tsx
+++ b/rsconcept/frontend/src/components/Shared/InfoCstClass.tsx
@@ -2,7 +2,7 @@ import clsx from 'clsx';
 
 import { useConceptTheme } from '@/context/ThemeContext';
 import { CstClass } from '@/models/rsform';
-import { colorbgCstClass } from '@/utils/color';
+import { colorBgCstClass } from '@/utils/color';
 import { prefixes } from '@/utils/constants';
 import { describeCstClass, labelCstClass } from '@/utils/labels';
 
@@ -28,7 +28,7 @@ function InfoCstClass({ header }: InfoCstClassProps) {
             'border',
             'text-center text-sm small-caps font-semibold'
           )}
-          style={{backgroundColor: colorbgCstClass(cclass, colors)}}
+          style={{backgroundColor: colorBgCstClass(cclass, colors)}}
         >
           {labelCstClass(cclass)}
         </span>
diff --git a/rsconcept/frontend/src/components/Shared/InfoCstStatus.tsx b/rsconcept/frontend/src/components/Shared/InfoCstStatus.tsx
index db50ecaa..e25c5675 100644
--- a/rsconcept/frontend/src/components/Shared/InfoCstStatus.tsx
+++ b/rsconcept/frontend/src/components/Shared/InfoCstStatus.tsx
@@ -2,7 +2,7 @@ import clsx from 'clsx';
 
 import { useConceptTheme } from '@/context/ThemeContext';
 import { ExpressionStatus } from '@/models/rsform';
-import { colorbgCstStatus } from '@/utils/color';
+import { colorBgCstStatus } from '@/utils/color';
 import { prefixes } from '@/utils/constants';
 import { describeExpressionStatus, labelExpressionStatus } from '@/utils/labels';
 
@@ -29,7 +29,7 @@ function InfoCstStatus({ title }: InfoCstStatusProps) {
               'border',
               'text-center text-sm small-caps font-semibold'
             )}
-            style={{backgroundColor: colorbgCstStatus(status, colors)}}
+            style={{backgroundColor: colorBgCstStatus(status, colors)}}
           >
             {labelExpressionStatus(status)}
           </span>
diff --git a/rsconcept/frontend/src/context/AccessModeContext.tsx b/rsconcept/frontend/src/context/AccessModeContext.tsx
index 54063234..94cb6136 100644
--- a/rsconcept/frontend/src/context/AccessModeContext.tsx
+++ b/rsconcept/frontend/src/context/AccessModeContext.tsx
@@ -2,7 +2,7 @@
 
 import { createContext, useContext, useState } from 'react';
 
-import { UserAccessMode } from '@/models/miscelanious';
+import { UserAccessMode } from '@/models/miscellaneous';
 
 interface IAccessModeContext {
   mode: UserAccessMode
diff --git a/rsconcept/frontend/src/context/LibraryContext.tsx b/rsconcept/frontend/src/context/LibraryContext.tsx
index 0cba762a..5a5118ef 100644
--- a/rsconcept/frontend/src/context/LibraryContext.tsx
+++ b/rsconcept/frontend/src/context/LibraryContext.tsx
@@ -5,7 +5,7 @@ import { createContext, useCallback, useContext, useEffect, useState } from 'rea
 import { ErrorData } from '@/components/InfoError';
 import { ILibraryItem } from '@/models/library';
 import { matchLibraryItem } from '@/models/libraryAPI';
-import { ILibraryFilter } from '@/models/miscelanious';
+import { ILibraryFilter } from '@/models/miscellaneous';
 import { IRSForm, IRSFormCreateData, IRSFormData } from '@/models/rsform';
 import { loadRSFormData } from '@/models/rsformAPI';
 import { DataCallback, deleteLibraryItem, getLibrary, getRSFormDetails, getTemplates, postCloneLibraryItem, postNewRSForm } from '@/utils/backendAPI';
diff --git a/rsconcept/frontend/src/context/NagivationContext.tsx b/rsconcept/frontend/src/context/NavigationContext.tsx
similarity index 92%
rename from rsconcept/frontend/src/context/NagivationContext.tsx
rename to rsconcept/frontend/src/context/NavigationContext.tsx
index 123c8da2..aa72f0cf 100644
--- a/rsconcept/frontend/src/context/NagivationContext.tsx
+++ b/rsconcept/frontend/src/context/NavigationContext.tsx
@@ -5,7 +5,7 @@ import { useLocation, useNavigate } from 'react-router-dom';
 
 import { globalIDs } from '@/utils/constants';
 
-interface INagivationContext{
+interface INavigationContext{
   push: (path: string) => void
   replace: (path: string) => void
   back: () => void
@@ -17,9 +17,9 @@ interface INagivationContext{
   setIsBlocked: (value: boolean) => void
 }
 
-const NagivationContext = createContext<INagivationContext | null>(null);
+const NavigationContext = createContext<INavigationContext | null>(null);
 export const useConceptNavigation = () => {
-  const context = useContext(NagivationContext);
+  const context = useContext(NavigationContext);
   if (!context) {
     throw new Error('useConceptNavigation has to be used within <NavigationState.Provider>');
   }
@@ -95,12 +95,12 @@ export const NavigationState = ({ children }: NavigationStateProps) => {
   }, [pathname, scrollTop]);
 
   return (
-  <NagivationContext.Provider value={{
+  <NavigationContext.Provider value={{
     push, replace, back, forward, 
     canBack, isBlocked, setIsBlocked
   }}>
     {children}
-  </NagivationContext.Provider>);
+  </NavigationContext.Provider>);
 }
 
 export function useBlockNavigation(isBlocked: boolean) {
diff --git a/rsconcept/frontend/src/dialogs/DlgCloneLibraryItem.tsx b/rsconcept/frontend/src/dialogs/DlgCloneLibraryItem.tsx
index 58534c5a..27a19db9 100644
--- a/rsconcept/frontend/src/dialogs/DlgCloneLibraryItem.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgCloneLibraryItem.tsx
@@ -9,7 +9,7 @@ import Modal, { ModalProps } from '@/components/Common/Modal';
 import TextArea from '@/components/Common/TextArea';
 import TextInput from '@/components/Common/TextInput';
 import { useLibrary } from '@/context/LibraryContext';
-import { useConceptNavigation } from '@/context/NagivationContext';
+import { useConceptNavigation } from '@/context/NavigationContext';
 import { ILibraryItem } from '@/models/library';
 import { IRSFormCreateData } from '@/models/rsform';
 import { classnames } from '@/utils/constants';
diff --git a/rsconcept/frontend/src/dialogs/DlgConstituentaTemplate/DlgConstituentaTemplate.tsx b/rsconcept/frontend/src/dialogs/DlgConstituentaTemplate/DlgConstituentaTemplate.tsx
index 268171e5..37d680be 100644
--- a/rsconcept/frontend/src/dialogs/DlgConstituentaTemplate/DlgConstituentaTemplate.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgConstituentaTemplate/DlgConstituentaTemplate.tsx
@@ -9,7 +9,7 @@ import Modal, { ModalProps } from '@/components/Common/Modal';
 import Overlay from '@/components/Common/Overlay';
 import HelpButton from '@/components/Help/HelpButton';
 import usePartialUpdate from '@/hooks/usePartialUpdate';
-import { HelpTopic } from '@/models/miscelanious';
+import { HelpTopic } from '@/models/miscellaneous';
 import { CstType, ICstCreateData, IRSForm } from '@/models/rsform';
 import { inferTemplatedType, substituteTemplateArgs } from '@/models/rslangAPI';
 import { classnames } from '@/utils/constants';
diff --git a/rsconcept/frontend/src/dialogs/DlgEditReference/DlgEditReference.tsx b/rsconcept/frontend/src/dialogs/DlgEditReference/DlgEditReference.tsx
index 93f9997e..14ff23fe 100644
--- a/rsconcept/frontend/src/dialogs/DlgEditReference/DlgEditReference.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgEditReference/DlgEditReference.tsx
@@ -9,7 +9,7 @@ import Modal from '@/components/Common/Modal';
 import Overlay from '@/components/Common/Overlay';
 import HelpButton from '@/components/Help/HelpButton';
 import { ReferenceType } from '@/models/language';
-import { HelpTopic } from '@/models/miscelanious';
+import { HelpTopic } from '@/models/miscellaneous';
 import { IConstituenta } from '@/models/rsform';
 import { labelReferenceType } from '@/utils/labels';
 
diff --git a/rsconcept/frontend/src/dialogs/DlgEditReference/EntityTab.tsx b/rsconcept/frontend/src/dialogs/DlgEditReference/EntityTab.tsx
index 5ca163d8..dd266188 100644
--- a/rsconcept/frontend/src/dialogs/DlgEditReference/EntityTab.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgEditReference/EntityTab.tsx
@@ -9,7 +9,7 @@ import ConstituentaPicker from '@/components/Shared/ConstituentaPicker';
 import SelectGrammeme from '@/components/Shared/SelectGrammeme';
 import { ReferenceType } from '@/models/language';
 import { parseEntityReference, parseGrammemes } from '@/models/languageAPI';
-import { CstMatchMode } from '@/models/miscelanious';
+import { CstMatchMode } from '@/models/miscellaneous';
 import { IConstituenta } from '@/models/rsform';
 import { matchConstituenta } from '@/models/rsformAPI';
 import { prefixes } from '@/utils/constants';
diff --git a/rsconcept/frontend/src/dialogs/DlgEditWordForms/DlgEditWordForms.tsx b/rsconcept/frontend/src/dialogs/DlgEditWordForms/DlgEditWordForms.tsx
index 3c196514..fe6f05e9 100644
--- a/rsconcept/frontend/src/dialogs/DlgEditWordForms/DlgEditWordForms.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgEditWordForms/DlgEditWordForms.tsx
@@ -14,7 +14,7 @@ import SelectGrammeme from '@/components/Shared/SelectGrammeme';
 import useConceptText from '@/hooks/useConceptText';
 import { Grammeme, ITextRequest, IWordForm, IWordFormPlain } from '@/models/language';
 import { parseGrammemes, wordFormEquals } from '@/models/languageAPI';
-import { HelpTopic } from '@/models/miscelanious';
+import { HelpTopic } from '@/models/miscellaneous';
 import { IConstituenta, TermForm } from '@/models/rsform';
 import { IGrammemeOption, SelectorGrammemesList, SelectorGrammems } from '@/utils/selectors';
 
diff --git a/rsconcept/frontend/src/dialogs/DlgGraphParams.tsx b/rsconcept/frontend/src/dialogs/DlgGraphParams.tsx
index 25bba18d..34a08ae6 100644
--- a/rsconcept/frontend/src/dialogs/DlgGraphParams.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgGraphParams.tsx
@@ -3,7 +3,7 @@
 import Checkbox from '@/components/Common/Checkbox';
 import Modal, { ModalProps } from '@/components/Common/Modal';
 import usePartialUpdate from '@/hooks/usePartialUpdate';
-import { GraphFilterParams } from '@/models/miscelanious';
+import { GraphFilterParams } from '@/models/miscellaneous';
 import { CstType } from '@/models/rsform';
 import { labelCstType } from '@/utils/labels';
 
diff --git a/rsconcept/frontend/src/dialogs/DlgShowAST.tsx b/rsconcept/frontend/src/dialogs/DlgShowAST.tsx
index 552969ca..f46a337b 100644
--- a/rsconcept/frontend/src/dialogs/DlgShowAST.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgShowAST.tsx
@@ -7,7 +7,7 @@ import Modal, { ModalProps } from '@/components/Common/Modal';
 import { useConceptTheme } from '@/context/ThemeContext';
 import { SyntaxTree } from '@/models/rslang';
 import { graphDarkT, graphLightT } from '@/utils/color';
-import { colorbgSyntaxTree } from '@/utils/color';
+import { colorBgSyntaxTree } from '@/utils/color';
 import { resources } from '@/utils/constants';
 import { labelSyntaxTree } from '@/utils/labels';
 
@@ -28,7 +28,7 @@ function DlgShowAST({ hideWindow, syntaxTree, expression }: DlgShowASTProps) {
   () => syntaxTree.map(node => ({
     id: String(node.uid),
     label: labelSyntaxTree(node),
-    fill: colorbgSyntaxTree(node, colors),
+    fill: colorBgSyntaxTree(node, colors),
   })), [syntaxTree, colors]);
 
   const edges: GraphEdge[] = useMemo(
diff --git a/rsconcept/frontend/src/models/language.ts b/rsconcept/frontend/src/models/language.ts
index bfa69cbd..731614ad 100644
--- a/rsconcept/frontend/src/models/language.ts
+++ b/rsconcept/frontend/src/models/language.ts
@@ -67,7 +67,7 @@ export enum Grammeme {
 /**
  * Represents part of speech language concept.
  * 
- * Implemented as a list of mututally exclusive {@link Grammeme}s.
+ * Implemented as a list of mutually exclusive {@link Grammeme}s.
 */
 export const PartOfSpeech = [
   Grammeme.NOUN, Grammeme.ADJF, Grammeme.ADJS, Grammeme.COMP,
@@ -79,7 +79,7 @@ export const PartOfSpeech = [
 /**
  * Represents gender language concept.
  * 
- * Implemented as a list of mututally exclusive {@link Grammeme}s.
+ * Implemented as a list of mutually exclusive {@link Grammeme}s.
 */
 export const Gender = [
   Grammeme.masc, Grammeme.femn, Grammeme.neut
@@ -88,7 +88,7 @@ export const Gender = [
 /**
  * Represents case language concept.
  * 
- * Implemented as a list of mututally exclusive {@link Grammeme}s.
+ * Implemented as a list of mutually exclusive {@link Grammeme}s.
 */
 export const Case = [
   Grammeme.nomn, Grammeme.gent, Grammeme.datv,
@@ -98,49 +98,49 @@ export const Case = [
 /**
  * Represents plurality language concept.
  * 
- * Implemented as a list of mututally exclusive {@link Grammeme}s.
+ * Implemented as a list of mutually exclusive {@link Grammeme}s.
 */
 export const Plurality = [Grammeme.sing, Grammeme.plur];
 
 /**
  * Represents verb perfectivity language concept.
  * 
- * Implemented as a list of mututally exclusive {@link Grammeme}s.
+ * Implemented as a list of mutually exclusive {@link Grammeme}s.
 */
 export const Perfectivity = [Grammeme.perf, Grammeme.impf];
 
 /**
  * Represents verb transitivity language concept.
  * 
- * Implemented as a list of mututally exclusive {@link Grammeme}s.
+ * Implemented as a list of mutually exclusive {@link Grammeme}s.
 */
 export const Transitivity = [Grammeme.tran, Grammeme.intr];
 
 /**
  * Represents verb mood language concept.
  * 
- * Implemented as a list of mututally exclusive {@link Grammeme}s.
+ * Implemented as a list of mutually exclusive {@link Grammeme}s.
 */
 export const Mood = [Grammeme.indc, Grammeme.impr];
 
 /**
  * Represents verb self-inclusion language concept.
  * 
- * Implemented as a list of mututally exclusive {@link Grammeme}s.
+ * Implemented as a list of mutually exclusive {@link Grammeme}s.
 */
 export const Inclusion = [Grammeme.incl, Grammeme.excl];
 
 /**
  * Represents verb voice language concept.
  * 
- * Implemented as a list of mututally exclusive {@link Grammeme}s.
+ * Implemented as a list of mutually exclusive {@link Grammeme}s.
 */
 export const Voice = [Grammeme.actv, Grammeme.pssv];
 
 /**
  * Represents verb tense language concept.
  * 
- * Implemented as a list of mututally exclusive {@link Grammeme}s.
+ * Implemented as a list of mutually exclusive {@link Grammeme}s.
 */
 export const Tense = [
   Grammeme.pres,
@@ -151,7 +151,7 @@ export const Tense = [
 /**
  * Represents verb person language concept.
  * 
- * Implemented as a list of mututally exclusive {@link Grammeme}s.
+ * Implemented as a list of mutually exclusive {@link Grammeme}s.
 */
 export const Person = [
   Grammeme.per1,
diff --git a/rsconcept/frontend/src/models/library.ts b/rsconcept/frontend/src/models/library.ts
index 25090a6d..eab68199 100644
--- a/rsconcept/frontend/src/models/library.ts
+++ b/rsconcept/frontend/src/models/library.ts
@@ -4,7 +4,7 @@
 
 /**
  * Represents user detailed information.
- * Some information should only be accesible to authorized users
+ * Some information should only be accessible to authorized users
 */
 export interface IUser {
   id: number | null
@@ -23,7 +23,7 @@ export interface ICurrentUser extends Pick<IUser, 'id' | 'username' | 'is_staff'
 }
 
 /**
- * Represents login data, used to authentificate users.
+ * Represents login data, used to authenticate users.
 */
 export interface IUserLoginData extends Pick<IUser, 'username'> {
   password: string
diff --git a/rsconcept/frontend/src/models/miscelanious.ts b/rsconcept/frontend/src/models/miscellaneous.ts
similarity index 94%
rename from rsconcept/frontend/src/models/miscelanious.ts
rename to rsconcept/frontend/src/models/miscellaneous.ts
index eb7606b2..0cf59e67 100644
--- a/rsconcept/frontend/src/models/miscelanious.ts
+++ b/rsconcept/frontend/src/models/miscellaneous.ts
@@ -1,5 +1,5 @@
 /**
- * Module: Miscellanious frontend model types. Future tagets for refactoring aimed at extracting modules.
+ * Module: Miscellaneous frontend model types. Future targets for refactoring aimed at extracting modules.
  */
 
 /**
diff --git a/rsconcept/frontend/src/models/miscelaniousAPI.ts b/rsconcept/frontend/src/models/miscellaneousAPI.ts
similarity index 83%
rename from rsconcept/frontend/src/models/miscelaniousAPI.ts
rename to rsconcept/frontend/src/models/miscellaneousAPI.ts
index cbceacd3..c5db449d 100644
--- a/rsconcept/frontend/src/models/miscelaniousAPI.ts
+++ b/rsconcept/frontend/src/models/miscellaneousAPI.ts
@@ -1,7 +1,7 @@
 /**
- * Module: API for miscellanious frontend model types. Future tagets for refactoring aimed at extracting modules.
+ * Module: API for miscellaneous frontend model types. Future targets for refactoring aimed at extracting modules.
  */
-import { DependencyMode } from './miscelanious';
+import { DependencyMode } from './miscellaneous';
 import { IConstituenta, IRSForm } from './rsform';
 
 
diff --git a/rsconcept/frontend/src/models/rsform.ts b/rsconcept/frontend/src/models/rsform.ts
index ef3762c2..b354b9e5 100644
--- a/rsconcept/frontend/src/models/rsform.ts
+++ b/rsconcept/frontend/src/models/rsform.ts
@@ -21,7 +21,7 @@ export enum CstType {
   THEOREM = 'theorem'
 }
 
-// CstType constant for category dividers in TemplateSchemas. TODO: create separate sctructure for templates
+// CstType constant for category dividers in TemplateSchemas. TODO: create separate structure for templates
 export const CATEGORY_CST_TYPE = CstType.THEOREM;
 
 /**
@@ -47,7 +47,7 @@ export enum ExpressionStatus {
 }
 
 /**
- * Represents word form for natural languange.
+ * Represents word form for natural language.
 */
 export interface TermForm {
   text: string
@@ -143,9 +143,9 @@ export interface IRSFormStats {
   count_all: number
   count_errors: number
   count_property: number
-  count_incalc: number
+  count_incalculable: number
 
-  count_termin: number
+  count_text_term: number
   count_definition: number
   count_convention: number
 
diff --git a/rsconcept/frontend/src/models/rsformAPI.ts b/rsconcept/frontend/src/models/rsformAPI.ts
index 97d214a2..d491ae80 100644
--- a/rsconcept/frontend/src/models/rsformAPI.ts
+++ b/rsconcept/frontend/src/models/rsformAPI.ts
@@ -5,7 +5,7 @@
 import { Graph } from '@/utils/Graph';
 import { TextMatcher } from '@/utils/utils';
 
-import { CstMatchMode } from './miscelanious';
+import { CstMatchMode } from './miscellaneous';
 import {
   CATEGORY_CST_TYPE, CstClass, CstType, 
   ExpressionStatus, IConstituenta, IRSForm, IRSFormData
@@ -28,9 +28,9 @@ export function loadRSFormData(input: IRSFormData): IRSForm {
       count_all: 0,
       count_errors: 0,
       count_property: 0,
-      count_incalc: 0,
+      count_incalculable: 0,
 
-      count_termin: 0,
+      count_text_term: 0,
       count_definition: 0,
       count_convention: 0,
 
@@ -51,11 +51,11 @@ export function loadRSFormData(input: IRSFormData): IRSForm {
       (sum, cst) => sum + (cst.parse?.status === ParsingStatus.INCORRECT ? 1 : 0) || 0, 0),
     count_property: result.items.reduce(
       (sum, cst) => sum + (cst.parse?.valueClass === ValueClass.PROPERTY ? 1 : 0) || 0, 0),
-    count_incalc: result.items.reduce(
+    count_incalculable: result.items.reduce(
       (sum, cst) => sum +
       ((cst.parse?.status === ParsingStatus.VERIFIED && cst.parse?.valueClass === ValueClass.INVALID) ? 1 : 0) || 0, 0),
 
-    count_termin: result.items.reduce(
+    count_text_term: result.items.reduce(
       (sum, cst) => (sum + (cst.term_raw ? 1 : 0) || 0), 0),
     count_definition: result.items.reduce(
       (sum, cst) => (sum + (cst.definition_raw ? 1 : 0) || 0), 0),
diff --git a/rsconcept/frontend/src/models/rslang.ts b/rsconcept/frontend/src/models/rslang.ts
index 54516309..ca617e2a 100644
--- a/rsconcept/frontend/src/models/rslang.ts
+++ b/rsconcept/frontend/src/models/rslang.ts
@@ -206,7 +206,7 @@ export enum TokenID {
 export enum RSErrorType {
   unknownSymbol = 33283,
   syntax = 33792,
-  missingParanthesis = 33798,
+  missingParenthesis = 33798,
   missingCurlyBrace = 33799,
   invalidQuantifier = 33800,
   expectedArgDeclaration = 33812,
@@ -230,10 +230,10 @@ export enum RSErrorType {
   invalidProjectionTuple = 34833,
   invalidProjectionSet = 34834,
   invalidEnumeration = 34835,
-  ivalidBinding = 34836,
+  invalidBinding = 34836,
   localOutOfScope = 34837,
-  invalidElementPredicat = 34838,
-  invalidArgsArtity = 34840,
+  invalidElementPredicate = 34838,
+  invalidArgsArity = 34840,
   invalidArgumentType = 34841,
   invalidEqualsEmpty = 34842,
   globalStructure = 34844,
diff --git a/rsconcept/frontend/src/pages/CreateRSFormPage.tsx b/rsconcept/frontend/src/pages/CreateRSFormPage.tsx
index e74fd154..d700117c 100644
--- a/rsconcept/frontend/src/pages/CreateRSFormPage.tsx
+++ b/rsconcept/frontend/src/pages/CreateRSFormPage.tsx
@@ -16,7 +16,7 @@ import TextInput from '@/components/Common/TextInput';
 import InfoError from '@/components/InfoError';
 import RequireAuth from '@/components/RequireAuth';
 import { useLibrary } from '@/context/LibraryContext';
-import { useConceptNavigation } from '@/context/NagivationContext';
+import { useConceptNavigation } from '@/context/NavigationContext';
 import { LibraryItemType } from '@/models/library';
 import { IRSFormCreateData } from '@/models/rsform';
 import { classnames, EXTEOR_TRS_FILE, limits, patterns } from '@/utils/constants';
diff --git a/rsconcept/frontend/src/pages/HomePage.tsx b/rsconcept/frontend/src/pages/HomePage.tsx
index bc0f5f04..72d2d05e 100644
--- a/rsconcept/frontend/src/pages/HomePage.tsx
+++ b/rsconcept/frontend/src/pages/HomePage.tsx
@@ -1,7 +1,7 @@
 import { useLayoutEffect } from 'react';
 
 import { useAuth } from '@/context/AuthContext';
-import { useConceptNavigation } from '@/context/NagivationContext';
+import { useConceptNavigation } from '@/context/NavigationContext';
 import { TIMEOUT_UI_REFRESH } from '@/utils/constants';
 
 function HomePage() {
diff --git a/rsconcept/frontend/src/pages/LibraryPage/LibraryPage.tsx b/rsconcept/frontend/src/pages/LibraryPage/LibraryPage.tsx
index 713bb459..d3c59d49 100644
--- a/rsconcept/frontend/src/pages/LibraryPage/LibraryPage.tsx
+++ b/rsconcept/frontend/src/pages/LibraryPage/LibraryPage.tsx
@@ -6,12 +6,12 @@ import { ConceptLoader } from '@/components/Common/ConceptLoader';
 import InfoError from '@/components/InfoError';
 import { useAuth } from '@/context/AuthContext';
 import { useLibrary } from '@/context/LibraryContext';
-import { useConceptNavigation } from '@/context/NagivationContext';
+import { useConceptNavigation } from '@/context/NavigationContext';
 import { useConceptTheme } from '@/context/ThemeContext';
 import useLocalStorage from '@/hooks/useLocalStorage';
 import useQueryStrings from '@/hooks/useQueryStrings';
 import { ILibraryItem } from '@/models/library';
-import { ILibraryFilter, LibraryFilterStrategy } from '@/models/miscelanious';
+import { ILibraryFilter, LibraryFilterStrategy } from '@/models/miscellaneous';
 
 import SearchPanel from './SearchPanel';
 import ViewLibrary from './ViewLibrary';
diff --git a/rsconcept/frontend/src/pages/LibraryPage/PickerStrategy.tsx b/rsconcept/frontend/src/pages/LibraryPage/PickerStrategy.tsx
index e702e4cb..0bed6d84 100644
--- a/rsconcept/frontend/src/pages/LibraryPage/PickerStrategy.tsx
+++ b/rsconcept/frontend/src/pages/LibraryPage/PickerStrategy.tsx
@@ -8,7 +8,7 @@ import DropdownCheckbox from '@/components/Common/DropdownCheckbox';
 import SelectorButton from '@/components/Common/SelectorButton';
 import { useAuth } from '@/context/AuthContext';
 import useDropdown from '@/hooks/useDropdown';
-import { LibraryFilterStrategy } from '@/models/miscelanious';
+import { LibraryFilterStrategy } from '@/models/miscellaneous';
 import { prefixes } from '@/utils/constants';
 import { describeLibraryFilter, labelLibraryFilter } from '@/utils/labels';
 
diff --git a/rsconcept/frontend/src/pages/LibraryPage/SearchPanel.tsx b/rsconcept/frontend/src/pages/LibraryPage/SearchPanel.tsx
index 7a3703e5..168c4a14 100644
--- a/rsconcept/frontend/src/pages/LibraryPage/SearchPanel.tsx
+++ b/rsconcept/frontend/src/pages/LibraryPage/SearchPanel.tsx
@@ -4,9 +4,9 @@ import clsx from 'clsx';
 import { useCallback } from 'react';
 
 import ConceptSearch from '@/components/Common/ConceptSearch';
-import { useConceptNavigation } from '@/context/NagivationContext';
-import { ILibraryFilter } from '@/models/miscelanious';
-import { LibraryFilterStrategy } from '@/models/miscelanious';
+import { useConceptNavigation } from '@/context/NavigationContext';
+import { ILibraryFilter } from '@/models/miscellaneous';
+import { LibraryFilterStrategy } from '@/models/miscellaneous';
 
 import PickerStrategy from './PickerStrategy';
 
diff --git a/rsconcept/frontend/src/pages/LibraryPage/ViewLibrary.tsx b/rsconcept/frontend/src/pages/LibraryPage/ViewLibrary.tsx
index eba47463..8c6614ad 100644
--- a/rsconcept/frontend/src/pages/LibraryPage/ViewLibrary.tsx
+++ b/rsconcept/frontend/src/pages/LibraryPage/ViewLibrary.tsx
@@ -8,11 +8,11 @@ import TextURL from '@/components/Common/TextURL';
 import DataTable, { createColumnHelper } from '@/components/DataTable';
 import HelpButton from '@/components/Help/HelpButton';
 import { useAuth } from '@/context/AuthContext';
-import { useConceptNavigation } from '@/context/NagivationContext';
+import { useConceptNavigation } from '@/context/NavigationContext';
 import { useUsers } from '@/context/UsersContext';
 import useLocalStorage from '@/hooks/useLocalStorage';
 import { ILibraryItem } from '@/models/library';
-import { HelpTopic } from '@/models/miscelanious';
+import { HelpTopic } from '@/models/miscellaneous';
 
 import ItemIcons from './ItemIcons';
 
diff --git a/rsconcept/frontend/src/pages/LoginPage.tsx b/rsconcept/frontend/src/pages/LoginPage.tsx
index f998a18d..9af42ee2 100644
--- a/rsconcept/frontend/src/pages/LoginPage.tsx
+++ b/rsconcept/frontend/src/pages/LoginPage.tsx
@@ -10,7 +10,7 @@ import TextURL from '@/components/Common/TextURL';
 import ExpectedAnonymous from '@/components/ExpectedAnonymous';
 import InfoError, { ErrorData } from '@/components/InfoError';
 import { useAuth } from '@/context/AuthContext';
-import { useConceptNavigation } from '@/context/NagivationContext';
+import { useConceptNavigation } from '@/context/NavigationContext';
 import useQueryStrings from '@/hooks/useQueryStrings';
 import { IUserLoginData } from '@/models/library';
 import { classnames, resources } from '@/utils/constants';
diff --git a/rsconcept/frontend/src/pages/ManualsPage/ManualsPage.tsx b/rsconcept/frontend/src/pages/ManualsPage/ManualsPage.tsx
index 522fff9f..bec2ec32 100644
--- a/rsconcept/frontend/src/pages/ManualsPage/ManualsPage.tsx
+++ b/rsconcept/frontend/src/pages/ManualsPage/ManualsPage.tsx
@@ -1,9 +1,9 @@
 'use client';
 
-import { useConceptNavigation } from '@/context/NagivationContext';
+import { useConceptNavigation } from '@/context/NavigationContext';
 import { useConceptTheme } from '@/context/ThemeContext';
 import useQueryStrings from '@/hooks/useQueryStrings';
-import { HelpTopic } from '@/models/miscelanious';
+import { HelpTopic } from '@/models/miscellaneous';
 
 import TopicsList from './TopicsList';
 import ViewTopic from './ViewTopic';
diff --git a/rsconcept/frontend/src/pages/ManualsPage/TopicsList.tsx b/rsconcept/frontend/src/pages/ManualsPage/TopicsList.tsx
index 2714666c..6bd78aeb 100644
--- a/rsconcept/frontend/src/pages/ManualsPage/TopicsList.tsx
+++ b/rsconcept/frontend/src/pages/ManualsPage/TopicsList.tsx
@@ -1,6 +1,6 @@
 import clsx from 'clsx';
 
-import { HelpTopic } from '@/models/miscelanious';
+import { HelpTopic } from '@/models/miscellaneous';
 import { prefixes } from '@/utils/constants';
 import { describeHelpTopic, labelHelpTopic } from '@/utils/labels';
 
diff --git a/rsconcept/frontend/src/pages/ManualsPage/ViewTopic.tsx b/rsconcept/frontend/src/pages/ManualsPage/ViewTopic.tsx
index a1a60815..758eada4 100644
--- a/rsconcept/frontend/src/pages/ManualsPage/ViewTopic.tsx
+++ b/rsconcept/frontend/src/pages/ManualsPage/ViewTopic.tsx
@@ -1,5 +1,5 @@
 import InfoTopic from '@/components/Help/InfoTopic';
-import { HelpTopic } from '@/models/miscelanious';
+import { HelpTopic } from '@/models/miscellaneous';
 
 interface ViewTopicProps {
   topic: HelpTopic
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta/ConstituentaToolbar.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta/ConstituentaToolbar.tsx
index 6474df55..6495d24c 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta/ConstituentaToolbar.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta/ConstituentaToolbar.tsx
@@ -7,7 +7,7 @@ import { FiSave } from 'react-icons/fi';
 import MiniButton from '@/components/Common/MiniButton';
 import Overlay from '@/components/Common/Overlay';
 import HelpButton from '@/components/Help/HelpButton';
-import { HelpTopic } from '@/models/miscelanious';
+import { HelpTopic } from '@/models/miscellaneous';
 
 interface ConstituentaToolbarProps {
   isMutable: boolean
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta/EditorConstituenta.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta/EditorConstituenta.tsx
index f66e8c10..60c571ca 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta/EditorConstituenta.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta/EditorConstituenta.tsx
@@ -13,10 +13,10 @@ import ViewConstituents from '../ViewConstituents';
 import ConstituentaToolbar from './ConstituentaToolbar';
 import FormConstituenta from './FormConstituenta';
 
-// Max height of content for left enditor pane.
+// Max height of content for left editor pane.
 const UNFOLDED_HEIGHT = '59.1rem';
 
-// Thershold window width to hide side constituents list.
+// Threshold window width to hide side constituents list.
 const SIDELIST_HIDE_THRESHOLD = 1100; // px
 
 interface EditorConstituentaProps {
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression/EditorRSExpression.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression/EditorRSExpression.tsx
index bcd475c0..755e14d3 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression/EditorRSExpression.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression/EditorRSExpression.tsx
@@ -63,9 +63,9 @@ function EditorRSExpression({
     resetParse();
   }, [activeCst, resetParse, toggleReset]);
 
-  function handleChange(newvalue: string) {
-    onChange(newvalue);
-    setIsModified(newvalue !== activeCst?.definition_formal);
+  function handleChange(newValue: string) {
+    onChange(newValue);
+    setIsModified(newValue !== activeCst?.definition_formal);
   }
   
   function handleCheckExpression(callback?: (parse: IExpressionParse) => void) {
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression/StatusBar.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression/StatusBar.tsx
index 941e262f..1ba6c1c8 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression/StatusBar.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression/StatusBar.tsx
@@ -9,7 +9,7 @@ import { ExpressionStatus } from '@/models/rsform';
 import { type IConstituenta } from '@/models/rsform';
 import { inferStatus } from '@/models/rsformAPI';
 import { IExpressionParse, ParsingStatus } from '@/models/rslang';
-import { colorbgCstStatus } from '@/utils/color';
+import { colorBgCstStatus } from '@/utils/color';
 import { globalIDs } from '@/utils/constants';
 import { labelExpressionStatus } from '@/utils/labels';
 
@@ -46,7 +46,7 @@ function StatusBar({ isModified, processing, constituenta, parseData, onAnalyze
       'cursor-pointer',
       'duration-500 transition-colors'
     )}
-    style={{backgroundColor: processing ? colors.bgDefault : colorbgCstStatus(status, colors)}}
+    style={{backgroundColor: processing ? colors.bgDefault : colorBgCstStatus(status, colors)}}
     data-tooltip-id={globalIDs.tooltip}
     data-tooltip-content='Проверить определение [Ctrl + Q]'
     onClick={onAnalyze}
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorRSForm/RSFormStats.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorRSForm/RSFormStats.tsx
index 897c9e5d..dc6bcbd8 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorRSForm/RSFormStats.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorRSForm/RSFormStats.tsx
@@ -25,17 +25,17 @@ function RSFormStats({ stats }: RSFormStatsProps) {
       label='Неразмерных'
       text={stats.count_property}
     /> : null}
-    {stats.count_incalc !== 0 ? 
-    <LabeledValue id='count_incalc'
+    {stats.count_incalculable !== 0 ? 
+    <LabeledValue id='count_incalculable'
       label='Невычислимых'
-      text={stats.count_incalc}
+      text={stats.count_incalculable}
     /> : null}
 
     <Divider margins='my-2' />
 
-    <LabeledValue id='count_termin'
+    <LabeledValue id='count_text_term'
       label='Термины'
-      text={stats.count_termin}
+      text={stats.count_text_term}
     />
     <LabeledValue id='count_definition'
       label='Определения'
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorRSForm/RSFormToolbar.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorRSForm/RSFormToolbar.tsx
index 10a66c47..3ceb645e 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorRSForm/RSFormToolbar.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorRSForm/RSFormToolbar.tsx
@@ -8,7 +8,7 @@ import { LuCrown } from 'react-icons/lu';
 import MiniButton from '@/components/Common/MiniButton';
 import Overlay from '@/components/Common/Overlay';
 import HelpButton from '@/components/Help/HelpButton';
-import { HelpTopic } from '@/models/miscelanious';
+import { HelpTopic } from '@/models/miscellaneous';
 
 interface RSFormToolbarProps {
   isMutable: boolean
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorRSList/RSListToolbar.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorRSList/RSListToolbar.tsx
index 726c4a4c..27b850cd 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorRSList/RSListToolbar.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorRSList/RSListToolbar.tsx
@@ -12,7 +12,7 @@ import MiniButton from '@/components/Common/MiniButton';
 import Overlay from '@/components/Common/Overlay';
 import HelpButton from '@/components/Help/HelpButton';
 import useDropdown from '@/hooks/useDropdown';
-import { HelpTopic } from '@/models/miscelanious';
+import { HelpTopic } from '@/models/miscellaneous';
 import { CstType } from '@/models/rsform';
 import { prefixes } from '@/utils/constants';
 import { labelCstType } from '@/utils/labels';
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/EditorTermGraph.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/EditorTermGraph.tsx
index 8011ac1b..9d92ff0d 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/EditorTermGraph.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/EditorTermGraph.tsx
@@ -12,9 +12,9 @@ import { useRSForm } from '@/context/RSFormContext';
 import { useConceptTheme } from '@/context/ThemeContext';
 import DlgGraphParams from '@/dialogs/DlgGraphParams';
 import useLocalStorage from '@/hooks/useLocalStorage';
-import { GraphColoringScheme, GraphFilterParams } from '@/models/miscelanious';
+import { GraphColoringScheme, GraphFilterParams } from '@/models/miscellaneous';
 import { CstType, ICstCreateData } from '@/models/rsform';
-import { colorbgGraphNode } from '@/utils/color';
+import { colorBgGraphNode } from '@/utils/color';
 import { classnames, TIMEOUT_GRAPH_REFRESH } from '@/utils/constants';
 
 import GraphSidebar from './GraphSidebar';
@@ -103,7 +103,7 @@ function EditorTermGraph({ isMutable, onOpenEdit, onCreateCst, onDeleteCst }: Ed
       if (cst) {
         result.push({
           id: String(node.id),
-          fill: colorbgGraphNode(cst, coloringScheme, colors),
+          fill: colorBgGraphNode(cst, coloringScheme, colors),
           label: cst.term_resolved && !filterParams.noText ? `${cst.alias}: ${cst.term_resolved}` : cst.alias
         });
       }
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/GraphSidebar.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/GraphSidebar.tsx
index 1597f385..735cfa03 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/GraphSidebar.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/GraphSidebar.tsx
@@ -1,8 +1,8 @@
 import { LayoutTypes } from 'reagraph';
 
 import SelectSingle from '@/components/Common/SelectSingle';
-import { GraphColoringScheme } from '@/models/miscelanious';
-import { mapLabelColoring, mapLableLayout } from '@/utils/labels';
+import { GraphColoringScheme } from '@/models/miscellaneous';
+import { mapLabelColoring, mapLabelLayout } from '@/utils/labels';
 import { SelectorGraphColoring, SelectorGraphLayout } from '@/utils/selectors';
 
 interface GraphSidebarProps {
@@ -30,7 +30,7 @@ function GraphSidebar({
       placeholder='Способ расположения'
       options={SelectorGraphLayout}
       isSearchable={false}
-      value={layout ? { value: layout, label: mapLableLayout.get(layout) } : null}
+      value={layout ? { value: layout, label: mapLabelLayout.get(layout) } : null}
       onChange={data => setLayout(data?.value ?? SelectorGraphLayout[0].value)}
     />
   </div>);
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/GraphToolbar.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/GraphToolbar.tsx
index 1caa92e4..8100bbdb 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/GraphToolbar.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/GraphToolbar.tsx
@@ -5,7 +5,7 @@ import { BiCollapse, BiFilterAlt, BiFont, BiFontFamily, BiPlanet, BiPlusCircle,
 import MiniButton from '@/components/Common/MiniButton';
 import Overlay from '@/components/Common/Overlay';
 import HelpButton from '@/components/Help/HelpButton';
-import { HelpTopic } from '@/models/miscelanious';
+import { HelpTopic } from '@/models/miscellaneous';
 
 interface GraphToolbarProps {
   isMutable: boolean
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/ViewHidden.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/ViewHidden.tsx
index d2586b68..f8a4ec63 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/ViewHidden.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/ViewHidden.tsx
@@ -4,9 +4,9 @@ import { useCallback, useMemo } from 'react';
 
 import ConstituentaTooltip from '@/components/Help/ConstituentaTooltip';
 import { useConceptTheme } from '@/context/ThemeContext';
-import { GraphColoringScheme } from '@/models/miscelanious';
+import { GraphColoringScheme } from '@/models/miscellaneous';
 import { IRSForm } from '@/models/rsform';
-import { colorbgGraphNode } from '@/utils/color';
+import { colorBgGraphNode } from '@/utils/color';
 import { prefixes } from '@/utils/constants';
 
 interface ViewHiddenProps {
@@ -56,7 +56,7 @@ function ViewHidden({
         <div key={id} id={id}
           className='min-w-[3rem] rounded-md text-center cursor-pointer select-none'
           style={{
-            backgroundColor: colorbgGraphNode(cst, adjustedColoring, colors),
+            backgroundColor: colorBgGraphNode(cst, adjustedColoring, colors),
             ...dismissedStyle(cstID)
           }}
           onClick={() => toggleSelection(cstID)}
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/useGraphFilter.ts b/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/useGraphFilter.ts
index e33e2c1f..17767668 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/useGraphFilter.ts
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/useGraphFilter.ts
@@ -1,6 +1,6 @@
 import { useLayoutEffect, useMemo, useState } from 'react';
 
-import { GraphFilterParams } from '@/models/miscelanious';
+import { GraphFilterParams } from '@/models/miscellaneous';
 import { CstType, IRSForm } from '@/models/rsform';
 import { Graph } from '@/utils/Graph';
 
diff --git a/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx b/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx
index 8f2f57eb..16d1b26d 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx
@@ -15,7 +15,7 @@ import InfoError, { ErrorData } from '@/components/InfoError';
 import { useAccessMode } from '@/context/AccessModeContext';
 import { useAuth } from '@/context/AuthContext';
 import { useLibrary } from '@/context/LibraryContext';
-import { useBlockNavigation, useConceptNavigation } from '@/context/NagivationContext';
+import { useBlockNavigation, useConceptNavigation } from '@/context/NavigationContext';
 import { useRSForm } from '@/context/RSFormContext';
 import { useConceptTheme } from '@/context/ThemeContext';
 import DlgCloneLibraryItem from '@/dialogs/DlgCloneLibraryItem';
@@ -26,7 +26,7 @@ import DlgEditWordForms from '@/dialogs/DlgEditWordForms';
 import DlgRenameCst from '@/dialogs/DlgRenameCst';
 import DlgUploadRSForm from '@/dialogs/DlgUploadRSForm';
 import useQueryStrings from '@/hooks/useQueryStrings';
-import { UserAccessMode } from '@/models/miscelanious';
+import { UserAccessMode } from '@/models/miscellaneous';
 import { IConstituenta, ICstCreateData, ICstRenameData, ICstUpdateData, TermForm } from '@/models/rsform';
 import { EXTEOR_TRS_FILE, prefixes, TIMEOUT_UI_REFRESH } from '@/utils/constants';
 import { createAliasFor } from '@/utils/misc';
diff --git a/rsconcept/frontend/src/pages/RSFormPage/RSTabsMenu.tsx b/rsconcept/frontend/src/pages/RSFormPage/RSTabsMenu.tsx
index bc63bb1c..b8651cf6 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/RSTabsMenu.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/RSTabsMenu.tsx
@@ -9,10 +9,10 @@ import Dropdown from '@/components/Common/Dropdown';
 import DropdownButton from '@/components/Common/DropdownButton';
 import { useAccessMode } from '@/context/AccessModeContext';
 import { useAuth } from '@/context/AuthContext';
-import { useConceptNavigation } from '@/context/NagivationContext';
+import { useConceptNavigation } from '@/context/NavigationContext';
 import { useRSForm } from '@/context/RSFormContext';
 import useDropdown from '@/hooks/useDropdown';
-import { UserAccessMode } from '@/models/miscelanious';
+import { UserAccessMode } from '@/models/miscellaneous';
 import { describeAccessMode, labelAccessMode } from '@/utils/labels';
 
 interface RSTabsMenuProps {
diff --git a/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ConstituentsSearch.tsx b/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ConstituentsSearch.tsx
index 55514633..e38545b7 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ConstituentsSearch.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ConstituentsSearch.tsx
@@ -9,13 +9,13 @@ import DropdownButton from '@/components/Common/DropdownButton';
 import SelectorButton from '@/components/Common/SelectorButton';
 import useDropdown from '@/hooks/useDropdown';
 import useLocalStorage from '@/hooks/useLocalStorage';
-import { CstMatchMode, DependencyMode } from '@/models/miscelanious';
-import { applyGraphFilter } from '@/models/miscelaniousAPI';
+import { CstMatchMode, DependencyMode } from '@/models/miscellaneous';
+import { applyGraphFilter } from '@/models/miscellaneousAPI';
 import { IConstituenta, IRSForm } from '@/models/rsform';
 import { createMockConstituenta, matchConstituenta } from '@/models/rsformAPI';
 import { extractGlobals } from '@/models/rslangAPI';
 import { prefixes } from '@/utils/constants';
-import { describeCstMathchMode, describeCstSource, labelCstMathchMode, labelCstSource } from '@/utils/labels';
+import { describeCstMatchMode, describeCstSource, labelCstMatchMode, labelCstSource } from '@/utils/labels';
 
 interface ConstituentsSearchProps {
   schema?: IRSForm
@@ -87,7 +87,7 @@ function ConstituentsSearch({ schema, activeID, activeExpression, setFiltered }:
         title='Настройка атрибутов для фильтрации'
         className='h-full'
         icon={<BiFilterAlt size='1.25rem' />}
-        text={labelCstMathchMode(filterMatch)}
+        text={labelCstMatchMode(filterMatch)}
         onClick={matchModeMenu.toggle}
       />
       <Dropdown stretchLeft isOpen={matchModeMenu.isOpen}>
@@ -99,7 +99,7 @@ function ConstituentsSearch({ schema, activeID, activeExpression, setFiltered }:
             key={`${prefixes.cst_match_mode_list}${index}`}
             onClick={() => handleMatchModeChange(matchMode)}
           >
-            <p><b>{labelCstMathchMode(matchMode)}:</b> {describeCstMathchMode(matchMode)}</p>
+            <p><b>{labelCstMatchMode(matchMode)}:</b> {describeCstMatchMode(matchMode)}</p>
           </DropdownButton>);
         })}
       </Dropdown>
diff --git a/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ConstituentsTable.tsx b/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ConstituentsTable.tsx
index dd975234..2d46f87e 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ConstituentsTable.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ConstituentsTable.tsx
@@ -63,7 +63,7 @@ function ConstituentsTable({
         <ConstituentaBadge 
           theme={colors}
           value={props.row.original}
-          prefixID={prefixes.cst_sidetable}
+          prefixID={prefixes.cst_side_table}
         />
     }),
     columnHelper.accessor(cst => describeConstituenta(cst), {
diff --git a/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ViewConstituents.tsx b/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ViewConstituents.tsx
index 012ae98d..fded4fdb 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ViewConstituents.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ViewConstituents.tsx
@@ -10,7 +10,7 @@ import { animateSideView } from '@/utils/animations';
 import ConstituentsSearch from './ConstituentsSearch';
 import ConstituentsTable from './ConstituentsTable';
 
-// Height that should be left to accomodate navigation panel + bottom margin
+// Height that should be left to accommodate navigation panel + bottom margin
 const LOCAL_NAVIGATION_H = '2.1rem';
 
 // Window width cutoff for expression show
diff --git a/rsconcept/frontend/src/pages/RegisterPage.tsx b/rsconcept/frontend/src/pages/RegisterPage.tsx
index 3f608f16..8a87000b 100644
--- a/rsconcept/frontend/src/pages/RegisterPage.tsx
+++ b/rsconcept/frontend/src/pages/RegisterPage.tsx
@@ -16,7 +16,7 @@ import TextURL from '@/components/Common/TextURL';
 import ExpectedAnonymous from '@/components/ExpectedAnonymous';
 import InfoError from '@/components/InfoError';
 import { useAuth } from '@/context/AuthContext';
-import { useConceptNavigation } from '@/context/NagivationContext';
+import { useConceptNavigation } from '@/context/NavigationContext';
 import { type IUserSignupData } from '@/models/library';
 import { classnames, globalIDs, patterns } from '@/utils/constants';
 
diff --git a/rsconcept/frontend/src/pages/RestorePasswordPage.tsx b/rsconcept/frontend/src/pages/RestorePasswordPage.tsx
index 01794b7e..45b9a83b 100644
--- a/rsconcept/frontend/src/pages/RestorePasswordPage.tsx
+++ b/rsconcept/frontend/src/pages/RestorePasswordPage.tsx
@@ -5,7 +5,7 @@ function RestorePasswordPage() {
   return (
   <div className='py-3'>
     <p>Автоматическое восстановление пароля не доступно.</p>
-    <p>Возможно восстановление пароля через обращение на <TextURL href={urls.mailportal} text='portal@acconcept.ru'/></p>
+    <p>Возможно восстановление пароля через обращение на <TextURL href={urls.mail_portal} text='portal@acconcept.ru'/></p>
   </div>);
 }
 
diff --git a/rsconcept/frontend/src/pages/UserProfilePage/EditorPassword.tsx b/rsconcept/frontend/src/pages/UserProfilePage/EditorPassword.tsx
index a9bded79..32ffb5cb 100644
--- a/rsconcept/frontend/src/pages/UserProfilePage/EditorPassword.tsx
+++ b/rsconcept/frontend/src/pages/UserProfilePage/EditorPassword.tsx
@@ -10,7 +10,7 @@ import SubmitButton from '@/components/Common/SubmitButton';
 import TextInput from '@/components/Common/TextInput';
 import InfoError, { ErrorData } from '@/components/InfoError';
 import { useAuth } from '@/context/AuthContext';
-import { useConceptNavigation } from '@/context/NagivationContext';
+import { useConceptNavigation } from '@/context/NavigationContext';
 import { IUserUpdatePassword } from '@/models/library';
 
 function ProcessError({error}: {error: ErrorData}): React.ReactElement {
diff --git a/rsconcept/frontend/src/pages/UserProfilePage/EditorProfile.tsx b/rsconcept/frontend/src/pages/UserProfilePage/EditorProfile.tsx
index 015e1771..f3060adf 100644
--- a/rsconcept/frontend/src/pages/UserProfilePage/EditorProfile.tsx
+++ b/rsconcept/frontend/src/pages/UserProfilePage/EditorProfile.tsx
@@ -6,7 +6,7 @@ import { toast } from 'react-toastify';
 
 import SubmitButton from '@/components/Common/SubmitButton';
 import TextInput from '@/components/Common/TextInput';
-import { useBlockNavigation } from '@/context/NagivationContext';
+import { useBlockNavigation } from '@/context/NavigationContext';
 import { useUserProfile } from '@/context/UserProfileContext';
 import { IUserUpdateData } from '@/models/library';
 import { classnames } from '@/utils/constants';
diff --git a/rsconcept/frontend/src/pages/UserProfilePage/UserTabs.tsx b/rsconcept/frontend/src/pages/UserProfilePage/UserTabs.tsx
index 2f4cba72..3b82345d 100644
--- a/rsconcept/frontend/src/pages/UserProfilePage/UserTabs.tsx
+++ b/rsconcept/frontend/src/pages/UserProfilePage/UserTabs.tsx
@@ -37,7 +37,7 @@ function UserTabs() {
       <div>
         <Overlay position='top-0 right-0'>
           <MiniButton
-            title='Показать/Скрыть список отслеживаний'
+            title='Показать/Скрыть отслеживаемые схемы'
             icon={showSubs
               ? <FiBell size='1.25rem' className='clr-text-primary' />
               : <FiBellOff size='1.25rem' className='clr-text-primary' />
diff --git a/rsconcept/frontend/src/pages/UserProfilePage/ViewSubscriptions.tsx b/rsconcept/frontend/src/pages/UserProfilePage/ViewSubscriptions.tsx
index a57cbd18..eaf6fae4 100644
--- a/rsconcept/frontend/src/pages/UserProfilePage/ViewSubscriptions.tsx
+++ b/rsconcept/frontend/src/pages/UserProfilePage/ViewSubscriptions.tsx
@@ -5,7 +5,7 @@ import { useMemo } from 'react';
 import { useIntl } from 'react-intl';
 
 import DataTable, { createColumnHelper } from '@/components/DataTable';
-import { useConceptNavigation } from '@/context/NagivationContext';
+import { useConceptNavigation } from '@/context/NavigationContext';
 import { ILibraryItem } from '@/models/library';
 import { animateSideView } from '@/utils/animations';
 
diff --git a/rsconcept/frontend/src/utils/Graph.test.ts b/rsconcept/frontend/src/utils/Graph.test.ts
index 8d79ba0c..80ce482f 100644
--- a/rsconcept/frontend/src/utils/Graph.test.ts
+++ b/rsconcept/frontend/src/utils/Graph.test.ts
@@ -1,6 +1,6 @@
 import { Graph } from './Graph';
 
-describe('Testing Graph constuction', () => {
+describe('Testing Graph construction', () => {
   test('empty Graph should be empty', () => {
     const graph = new Graph();
     expect(graph.nodes.size).toBe(0);
diff --git a/rsconcept/frontend/src/utils/codemirror.ts b/rsconcept/frontend/src/utils/codemirror.ts
index ef97f1ce..f49206ac 100644
--- a/rsconcept/frontend/src/utils/codemirror.ts
+++ b/rsconcept/frontend/src/utils/codemirror.ts
@@ -10,7 +10,7 @@ import { IEntityReference, ISyntacticReference } from '@/models/language';
 import { parseGrammemes } from '@/models/languageAPI';
 import { IConstituenta } from '@/models/rsform';
 
-import { colorfgGrammeme,IColorTheme } from './color';
+import { colorFgGrammeme,IColorTheme } from './color';
 import { describeConstituentaTerm, labelCstTypification, labelGrammeme } from './labels';
 
 /**
@@ -210,8 +210,8 @@ export function domTooltipEntityReference(ref: IEntityReference, cst: IConstitue
       'text-sm text-center whitespace-nowrap'
     );
     gram.style.borderWidth = '1px';
-    gram.style.borderColor = colorfgGrammeme(gramStr, colors);
-    gram.style.color = colorfgGrammeme(gramStr, colors);
+    gram.style.borderColor = colorFgGrammeme(gramStr, colors);
+    gram.style.color = colorFgGrammeme(gramStr, colors);
     gram.style.fontWeight = '600';
     gram.style.backgroundColor = colors.bgInput;
     gram.innerText = labelGrammeme(gramStr);
diff --git a/rsconcept/frontend/src/utils/color.ts b/rsconcept/frontend/src/utils/color.ts
index 62fe643b..10602d4b 100644
--- a/rsconcept/frontend/src/utils/color.ts
+++ b/rsconcept/frontend/src/utils/color.ts
@@ -3,7 +3,7 @@
  */
 
 import { GramData, Grammeme, NounGrams, PartOfSpeech, VerbGrams } from '@/models/language';
-import { GraphColoringScheme } from '@/models/miscelanious';
+import { GraphColoringScheme } from '@/models/miscellaneous';
 import { CstClass, ExpressionStatus, IConstituenta } from '@/models/rsform';
 import { ISyntaxTreeNode, TokenID } from '@/models/rslang';
 
@@ -301,7 +301,7 @@ export const bracketsDarkT = {
 /**
  * Determines background color for {@link ISyntaxTreeNode} based on its type.
  */
-export function colorbgSyntaxTree(node: ISyntaxTreeNode, colors: IColorTheme): string {
+export function colorBgSyntaxTree(node: ISyntaxTreeNode, colors: IColorTheme): string {
   switch (node.typeID) {
   case TokenID.PUNC_DEFINE:
   case TokenID.PUNC_STRUCT:
@@ -383,7 +383,7 @@ export function colorbgSyntaxTree(node: ISyntaxTreeNode, colors: IColorTheme): s
 /**
  * Determines background color for {@link ExpressionStatus}.
  */
-export function colorbgCstStatus(status: ExpressionStatus, colors: IColorTheme): string {
+export function colorBgCstStatus(status: ExpressionStatus, colors: IColorTheme): string {
   switch (status) {
     case ExpressionStatus.VERIFIED: return colors.bgGreen;
     case ExpressionStatus.INCORRECT: return colors.bgRed;
@@ -397,7 +397,7 @@ export function colorbgCstStatus(status: ExpressionStatus, colors: IColorTheme):
 /**
  * Determines foreground color for {@link ExpressionStatus}.
  */
-export function colorfgCstStatus(status: ExpressionStatus, colors: IColorTheme): string {
+export function colorFgCstStatus(status: ExpressionStatus, colors: IColorTheme): string {
   switch (status) {
     case ExpressionStatus.VERIFIED: return colors.fgGreen;
     case ExpressionStatus.INCORRECT: return colors.fgRed;
@@ -411,7 +411,7 @@ export function colorfgCstStatus(status: ExpressionStatus, colors: IColorTheme):
 /**
  * Determines background color for {@link IConstituenta} depending on its {@link CstClass}.
  */
-export function colorbgCstClass(cstClass: CstClass, colors: IColorTheme): string {
+export function colorBgCstClass(cstClass: CstClass, colors: IColorTheme): string {
   switch (cstClass) {
     case CstClass.BASIC: return colors.bgGreen;
     case CstClass.DERIVED: return colors.bgBlue;
@@ -423,7 +423,7 @@ export function colorbgCstClass(cstClass: CstClass, colors: IColorTheme): string
 /**
  * Determines background color for {@link GramData}.
  */
-export function colorbgGrammeme(gram: GramData, colors: IColorTheme): string {
+export function colorBgGrammeme(gram: GramData, colors: IColorTheme): string {
   if (PartOfSpeech.includes(gram as Grammeme)) {
     return colors.bgBlue;
   }
@@ -439,7 +439,7 @@ export function colorbgGrammeme(gram: GramData, colors: IColorTheme): string {
 /**
  * Determines foreground color for {@link GramData}.
  */
-export function colorfgGrammeme(gram: GramData, colors: IColorTheme): string {
+export function colorFgGrammeme(gram: GramData, colors: IColorTheme): string {
   if (PartOfSpeech.includes(gram as Grammeme)) {
     return colors.fgBlue;
   }
@@ -459,12 +459,12 @@ export function colorfgGrammeme(gram: GramData, colors: IColorTheme): string {
 /**
  * Determines graph color for {@link IConstituenta}.
  */
-export function colorbgGraphNode(cst: IConstituenta, coloringScheme: GraphColoringScheme, colors: IColorTheme): string {
+export function colorBgGraphNode(cst: IConstituenta, coloringScheme: GraphColoringScheme, colors: IColorTheme): string {
   if (coloringScheme === 'type') {
-    return colorbgCstClass(cst.cst_class, colors);
+    return colorBgCstClass(cst.cst_class, colors);
   }
   if (coloringScheme === 'status') {
-    return colorbgCstStatus(cst.status, colors);
+    return colorBgCstStatus(cst.status, colors);
   }
   return '';
 }
\ No newline at end of file
diff --git a/rsconcept/frontend/src/utils/constants.ts b/rsconcept/frontend/src/utils/constants.ts
index 87ee8dce..bd67f52d 100644
--- a/rsconcept/frontend/src/utils/constants.ts
+++ b/rsconcept/frontend/src/utils/constants.ts
@@ -56,7 +56,7 @@ export const youtube = {
 };
 
 /**
- * Classname combinations.
+ * Tailwind CSS combinations.
  * Note: using clsx in conjunction with tailwindCss is preferred to creating custom CSS
  */
 export const classnames = {
@@ -74,9 +74,9 @@ export const urls = {
   intro_video: 'https://www.youtube.com/watch?v=0Ty9mu9sOJo',
   full_course: 'https://www.youtube.com/playlist?list=PLGe_JiAwpqu1C70ruQmCm_OWTWU3KJwDo',
 
-  gitrepo: 'https://github.com/IRBorisov/ConceptPortal',
-  mailportal: 'mailto:portal@acconcept.ru',
-  restapi: 'https://api.portal.acconcept.ru'
+  git_repo: 'https://github.com/IRBorisov/ConceptPortal',
+  mail_portal: 'mailto:portal@acconcept.ru',
+  restAPI: 'https://api.portal.acconcept.ru'
 };
 
 /**
@@ -96,7 +96,7 @@ export const globalIDs = {
 export const prefixes = {
   page_size: 'page-size-',
   cst_list: 'cst-list-',
-  cst_sidetable: 'cst-sidetable-',
+  cst_side_table: 'cst-side-table-',
   cst_hidden_list: 'cst-hidden-list-',
   cst_modal_list: 'cst-modal-list-',
   cst_template_ist: 'cst-template-list-',
diff --git a/rsconcept/frontend/src/utils/labels.ts b/rsconcept/frontend/src/utils/labels.ts
index 5b4555a1..cc821f1e 100644
--- a/rsconcept/frontend/src/utils/labels.ts
+++ b/rsconcept/frontend/src/utils/labels.ts
@@ -5,12 +5,12 @@
  * Description is a long description used in tooltips.
  */
 import { GramData,Grammeme, ReferenceType } from '@/models/language';
-import { CstMatchMode, DependencyMode, HelpTopic, LibraryFilterStrategy, UserAccessMode } from '@/models/miscelanious';
+import { CstMatchMode, DependencyMode, HelpTopic, LibraryFilterStrategy, UserAccessMode } from '@/models/miscellaneous';
 import { CstClass, CstType, ExpressionStatus, IConstituenta } from '@/models/rsform';
 import { IArgumentInfo, IRSErrorDescription, ISyntaxTreeNode, ParsingStatus, RSErrorType, TokenID } from '@/models/rslang';
 
 /**
- * Generates desription for {@link IConstituenta}.
+ * Generates description for {@link IConstituenta}.
  */
 export function describeConstituenta(cst: IConstituenta): string {
   if (cst.cst_type === CstType.STRUCTURED) {
@@ -31,7 +31,7 @@ export function describeConstituenta(cst: IConstituenta): string {
 }
 
 /**
- * Generates desription for term of a given {@link IConstituenta}.
+ * Generates description for term of a given {@link IConstituenta}.
  */
 export function describeConstituentaTerm(cst?: IConstituenta): string {
   if (!cst) {
@@ -145,7 +145,7 @@ export function describeToken(id: TokenID): string {
 /**
  * Retrieves label for {@link CstMatchMode}.
  */
-export function labelCstMathchMode(mode: CstMatchMode): string {
+export function labelCstMatchMode(mode: CstMatchMode): string {
   switch (mode) {
     case CstMatchMode.ALL:  return 'общий';
     case CstMatchMode.EXPR: return 'выражение';
@@ -158,7 +158,7 @@ export function labelCstMathchMode(mode: CstMatchMode): string {
 /**
  * Retrieves description for {@link CstMatchMode}.
  */
-export function describeCstMathchMode(mode: CstMatchMode): string {
+export function describeCstMatchMode(mode: CstMatchMode): string {
   switch (mode) {
     case CstMatchMode.ALL:  return 'искать во всех атрибутах';
     case CstMatchMode.EXPR: return 'искать в формальных выражениях';
@@ -190,7 +190,7 @@ export function describeCstSource(mode: DependencyMode): string {
     case DependencyMode.ALL:            return 'все конституенты';
     case DependencyMode.EXPRESSION:     return 'идентификаторы из выражения';
     case DependencyMode.OUTPUTS:        return 'прямые ссылки на текущую';
-    case DependencyMode.INPUTS:         return 'пярмые ссылки из текущей';
+    case DependencyMode.INPUTS:         return 'прямые ссылки из текущей';
     case DependencyMode.EXPAND_OUTPUTS: return 'опосредованные ссылки на текущую';
     case DependencyMode.EXPAND_INPUTS:  return 'опосредованные ссылки из текущей';
   }
@@ -218,16 +218,16 @@ export function describeLibraryFilter(strategy: LibraryFilterStrategy): string {
     case LibraryFilterStrategy.MANUAL:      return 'Отображать все схемы';
     case LibraryFilterStrategy.COMMON:      return 'Отображать общедоступные схемы';
     case LibraryFilterStrategy.CANONICAL:   return 'Отображать стандартные схемы';
-    case LibraryFilterStrategy.PERSONAL:    return 'Отображать подписки и владеемые схемы';
+    case LibraryFilterStrategy.PERSONAL:    return 'Отображать подписки и собственные схемы';
     case LibraryFilterStrategy.SUBSCRIBE:   return 'Отображать подписки';
-    case LibraryFilterStrategy.OWNED:       return 'Отображать владеемые схемы';
+    case LibraryFilterStrategy.OWNED:       return 'Отображать собственные схемы';
   }
 }
 
 /**
  * Retrieves label for graph layout mode.
  */
-export const mapLableLayout: Map<string, string> = 
+export const mapLabelLayout: Map<string, string> = 
 new Map([
   ['forceatlas2', 'Граф: Атлас 2D'],
   ['forceDirected2d', 'Граф: Силы 2D'],
@@ -263,7 +263,7 @@ export function labelExpressionStatus(status: ExpressionStatus): string {
     case ExpressionStatus.INCORRECT:    return 'ошибка';
     case ExpressionStatus.INCALCULABLE: return 'невычислимо';
     case ExpressionStatus.PROPERTY:     return 'неразмерное';
-    case ExpressionStatus.UNKNOWN:      return 'непроверено';
+    case ExpressionStatus.UNKNOWN:      return 'не проверено';
     case ExpressionStatus.UNDEFINED:    return 'N/A';
   }
 }
@@ -310,7 +310,7 @@ export function describeHelpTopic(topic: HelpTopic): string {
     case HelpTopic.MAIN:          return 'Общая справка по порталу';
     case HelpTopic.LIBRARY:       return 'Описание работы с библиотекой схем';
     case HelpTopic.RSFORM:        return 'Описание работы с описанием схемы';
-    case HelpTopic.CSTLIST:       return 'Описание работы со списком конституентт';
+    case HelpTopic.CSTLIST:       return 'Описание работы со списком конституент';
     case HelpTopic.CONSTITUENTA:  return 'Описание редактирования конституенты';
     case HelpTopic.GRAPH_TERM:    return 'Описание работы с графом термов схемы';
     case HelpTopic.RSTEMPLATES:   return 'Описание работы с Банком выражений>';
@@ -325,8 +325,8 @@ export function describeHelpTopic(topic: HelpTopic): string {
 /**
  * Retrieves label for {@link CstType}.
  */
-export function labelCstType(type: CstType): string {
-  switch (type) {
+export function labelCstType(target: CstType): string {
+  switch (target) {
     case CstType.BASE:          return 'Базисное множество';
     case CstType.CONSTANT:      return 'Константное множество';
     case CstType.STRUCTURED:    return 'Родовая структура';
@@ -341,8 +341,8 @@ export function labelCstType(type: CstType): string {
 /**
  * Retrieves label for {@link ReferenceType}.
  */
-export function labelReferenceType(type: ReferenceType): string {
-  switch(type) {
+export function labelReferenceType(target: ReferenceType): string {
+  switch(target) {
     case ReferenceType.ENTITY:    return 'Использование термина';
     case ReferenceType.SYNTACTIC: return 'Связывание слов';
   }
@@ -351,8 +351,8 @@ export function labelReferenceType(type: ReferenceType): string {
 /**
  * Retrieves label for {@link CstClass}.
  */
-export function labelCstClass(cclass: CstClass): string {
-  switch (cclass) {
+export function labelCstClass(target: CstClass): string {
+  switch (target) {
     case CstClass.BASIC:        return 'базовый';
     case CstClass.DERIVED:      return 'производный';
     case CstClass.STATEMENT:    return 'утверждение';
@@ -363,8 +363,8 @@ export function labelCstClass(cclass: CstClass): string {
 /**
  * Retrieves description for {@link CstClass}.
  */
-export function describeCstClass(cclass: CstClass): string {
-  switch (cclass) {
+export function describeCstClass(target: CstClass): string {
+  switch (target) {
     case CstClass.BASIC:        return 'неопределяемое понятие, требует конвенции';
     case CstClass.DERIVED:      return 'выводимое понятие, задаваемое определением';
     case CstClass.STATEMENT:    return 'утверждение формальной логики';
@@ -562,7 +562,7 @@ export function describeRSError(error: IRSErrorDescription): string {
     return `Неизвестный символ: ${error.params[0]}`;
   case RSErrorType.syntax:
     return 'Неопределенная синтаксическая ошибка';
-  case RSErrorType.missingParanthesis:
+  case RSErrorType.missingParenthesis:
     return 'Некорректная конструкция языка родов структур, проверьте структуру выражения';
   case RSErrorType.missingCurlyBrace:
     return "Пропущен символ '}'";
@@ -608,13 +608,13 @@ export function describeRSError(error: IRSErrorDescription): string {
     return `τ(Pri(a)) = ℬ𝒞i𝔇τ(a). Некорректная типизация аргумента: ${error.params[0]}`;
   case RSErrorType.invalidEnumeration:
     return `Типизация аргументов перечисления не совпадает: ${error.params[0]} != ${error.params[1]}`;
-  case RSErrorType.ivalidBinding:
+  case RSErrorType.invalidBinding:
     return `Количество переменных в кортеже не соответствует размерности декартова произведения`;
   case RSErrorType.localOutOfScope:
     return `Использование имени переменной вне области действия: ${error.params[0]}`;
-  case RSErrorType.invalidElementPredicat:
+  case RSErrorType.invalidElementPredicate:
     return `Несоответствие типизаций операндов для оператора: ${error.params[0]}${error.params[1]}${error.params[2]}`;
-  case RSErrorType.invalidArgsArtity:
+  case RSErrorType.invalidArgsArity:
     return `Неверное число аргументов терм-функции: ${error.params[0]} != ${error.params[1]}`;
   case RSErrorType.invalidArgumentType:
     return `Типизация аргумента терм-функции не соответствует объявленной: ${error.params[0]} != ${error.params[1]}`;
diff --git a/rsconcept/frontend/src/utils/selectors.ts b/rsconcept/frontend/src/utils/selectors.ts
index 16a76932..adcd7d64 100644
--- a/rsconcept/frontend/src/utils/selectors.ts
+++ b/rsconcept/frontend/src/utils/selectors.ts
@@ -5,7 +5,7 @@ import { LayoutTypes } from 'reagraph';
 
 import { type GramData, Grammeme, ReferenceType } from '@/models/language';
 import { grammemeCompare } from '@/models/languageAPI';
-import { GraphColoringScheme } from '@/models/miscelanious';
+import { GraphColoringScheme } from '@/models/miscellaneous';
 import { CstType } from '@/models/rsform';
 
 import { labelGrammeme, labelReferenceType } from './labels';
diff --git a/rsconcept/frontend/src/utils/utils.tsx b/rsconcept/frontend/src/utils/utils.tsx
index 2a1efe1c..2304a90b 100644
--- a/rsconcept/frontend/src/utils/utils.tsx
+++ b/rsconcept/frontend/src/utils/utils.tsx
@@ -9,7 +9,7 @@ import { AxiosHeaderValue, AxiosResponse } from 'axios';
  */
 export function assertIsNode(e: EventTarget | null): asserts e is Node {
   if (e === null || !('nodeType' in e)) {
-    throw new TypeError(`Expected 'Node' but recieved '${e?.constructor.name ?? 'null'}'`);
+    throw new TypeError(`Expected 'Node' but received '${e?.constructor.name ?? 'null'}'`);
   }
 }
 
@@ -42,7 +42,7 @@ export class TextMatcher {
 }
 
 /**
- * Text substitution guided by mapping and regular explression.
+ * Text substitution guided by mapping and regular expression.
 */
 export function applyPattern(text: string, mapping: { [key: string]: string }, pattern: RegExp): string {
   if (text === '' || pattern === null) {
@@ -65,7 +65,7 @@ export function applyPattern(text: string, mapping: { [key: string]: string }, p
 }
 
 /**
- * Check if Axios reponse is html.
+ * Check if Axios response is html.
 */
 export function isResponseHtml(response?: AxiosResponse) {
   if (!response) {