diff --git a/rsconcept/frontend/src/components/Common/TextInput.tsx b/rsconcept/frontend/src/components/Common/TextInput.tsx
index e70c62f5..82ec6449 100644
--- a/rsconcept/frontend/src/components/Common/TextInput.tsx
+++ b/rsconcept/frontend/src/components/Common/TextInput.tsx
@@ -9,15 +9,17 @@ extends Omit<React.InputHTMLAttributes<HTMLInputElement>, 'className' | 'title'>
   colorClass?: string
   dense?: boolean
   noBorder?: boolean
+  noOutline?: boolean
 }
 
 function TextInput({
-  id, required, label, dense, tooltip, noBorder,
+  id, required, label, dense, tooltip, noBorder, noOutline,
   dimensions = 'w-full',
   colorClass = 'clr-input',
   ...props
 }: TextInputProps) {
   const borderClass = noBorder ? '': 'border';
+  const outlineClass = noOutline ? '': 'clr-outline';
   return (
     <div className={`flex ${dense ? 'items-center gap-4 ' + dimensions : 'flex-col items-start gap-2'}`}>
       {label && 
@@ -27,7 +29,7 @@ function TextInput({
       />}
       <input id={id}
         title={tooltip}
-        className={`px-3 py-2 leading-tight ${borderClass} truncate hover:text-clip clr-outline ${colorClass} ${dense ? 'w-full' : dimensions}`}
+        className={`px-3 py-2 leading-tight truncate hover:text-clip ${outlineClass} ${borderClass} ${colorClass} ${dense ? 'w-full' : dimensions}`}
         required={required}
         {...props}
       />
diff --git a/rsconcept/frontend/src/components/Help/HelpConstituenta.tsx b/rsconcept/frontend/src/components/Help/HelpConstituenta.tsx
index 63063755..629f27b2 100644
--- a/rsconcept/frontend/src/components/Help/HelpConstituenta.tsx
+++ b/rsconcept/frontend/src/components/Help/HelpConstituenta.tsx
@@ -6,7 +6,7 @@ function HelpConstituenta() {
   <div>
     <h1>Подсказки</h1>
     <p><b className='text-warning'>Изменения сохраняются ПОСЛЕ нажатия на соответствующую кнопку снизу или по центру</b></p>
-    <p><b>Клик на формальное выражение</b> - обратите внимание на кнопки снизу<br/>Горячие клавиши указаны в подсказках при наведении</p>
+    <p><b>Формальное определение</b> - обратите внимание на кнопки снизу<br/>Горячие клавиши указаны в подсказках при наведении</p>
     <p><b>Поля Термин и Определение</b> - Ctrl + Пробел открывает диалог редактирования отсылок<br/>Перед открытием диалога переместите текстовый курсор на заменяемое слово или ссылку</p>
     <p><b>Список конституент справа</b> - обратите внимание на настройки фильтрации</p>
     <p>- слева от ввода текста настраивается набор атрибутов конституенты</p>
diff --git a/rsconcept/frontend/src/context/LibraryContext.tsx b/rsconcept/frontend/src/context/LibraryContext.tsx
index 0505bb12..0b99759b 100644
--- a/rsconcept/frontend/src/context/LibraryContext.tsx
+++ b/rsconcept/frontend/src/context/LibraryContext.tsx
@@ -4,8 +4,8 @@ import { ErrorInfo } from '../components/BackendError';
 import { matchLibraryItem } from '../models/library';
 import { ILibraryItem } from '../models/library';
 import { ILibraryFilter } from '../models/miscelanious';
-import { IRSFormCreateData, IRSFormData } from '../models/rsform';
-import { DataCallback, deleteLibraryItem, getLibrary, getTemplates, postCloneLibraryItem, postNewRSForm } from '../utils/backendAPI';
+import { IRSForm, IRSFormCreateData, IRSFormData, loadRSFormData } from '../models/rsform';
+import { DataCallback, deleteLibraryItem, getLibrary, getRSFormDetails, getTemplates, postCloneLibraryItem, postNewRSForm } from '../utils/backendAPI';
 import { useAuth } from './AuthContext';
 
 interface ILibraryContext {
@@ -15,8 +15,9 @@ interface ILibraryContext {
   processing: boolean
   error: ErrorInfo
   setError: (error: ErrorInfo) => void
-
+  
   applyFilter: (params: ILibraryFilter) => ILibraryItem[]
+  retrieveTemplate: (templateID: number, callback: (schema: IRSForm) => void) => void
   createItem: (data: IRSFormCreateData, callback?: DataCallback<ILibraryItem>) => void
   cloneItem: (target: number, data: IRSFormCreateData, callback: DataCallback<IRSFormData>) => void
   destroyItem: (target: number, callback?: () => void) => void
@@ -38,13 +39,15 @@ interface LibraryStateProps {
 }
 
 export const LibraryState = ({ children }: LibraryStateProps) => {
-  const [ items, setItems ] = useState<ILibraryItem[]>([])
-  const [ templates, setTemplates ] = useState<ILibraryItem[]>([])
+  const [ items, setItems ] = useState<ILibraryItem[]>([]);
+  const [ templates, setTemplates ] = useState<ILibraryItem[]>([]);
   const [ loading, setLoading ] = useState(false);
   const [ processing, setProcessing ] = useState(false);
   const [ error, setError ] = useState<ErrorInfo>(undefined);
   const { user } = useAuth();
 
+  const [ cachedTemplates, setCachedTemplates ] = useState<IRSForm[]>([]);
+
   const applyFilter = useCallback(
   (params: ILibraryFilter) => {
     let result = items;
@@ -69,6 +72,26 @@ export const LibraryState = ({ children }: LibraryStateProps) => {
     return result;
   }, [items, user]);
 
+  const retrieveTemplate = useCallback(
+  (templateID: number, callback: (schema: IRSForm) => void) => {
+    const cached = cachedTemplates.find(schema => schema.id == templateID);
+    if (cached) {
+      callback(cached);
+      return;
+    }
+    setError(undefined);
+    getRSFormDetails(String(templateID), {
+      showError: true,
+      setLoading: setLoading,
+      onError: error => setError(error),
+      onSuccess: data => {
+        const schema = loadRSFormData(data);
+        setCachedTemplates(prev => ([...prev, schema]));
+        callback(schema);
+      }
+    });
+  }, [cachedTemplates]);
+
   const reload = useCallback(
   (callback?: () => void) => {
     setItems([]);
@@ -150,7 +173,7 @@ export const LibraryState = ({ children }: LibraryStateProps) => {
   return (
     <LibraryContext.Provider value={{ 
       items, templates, loading, processing, error, setError, 
-      applyFilter, createItem, cloneItem, destroyItem
+      applyFilter, createItem, cloneItem, destroyItem, retrieveTemplate
     }}>
       { children }
     </LibraryContext.Provider>
diff --git a/rsconcept/frontend/src/dialogs/DlgCreateCst.tsx b/rsconcept/frontend/src/dialogs/DlgCreateCst.tsx
index 29deb9ea..9a80fc14 100644
--- a/rsconcept/frontend/src/dialogs/DlgCreateCst.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgCreateCst.tsx
@@ -77,7 +77,7 @@ function DlgCreateCst({ hideWindow, initial, schema, onCreate }: DlgCreateCstPro
         spellCheck
         onChange={event => updateCstData({ term_raw: event.target.value })}
       />
-      <RSInput id='expression' label='Формальное выражение'
+      <RSInput id='expression' label='Формальное определение'
         placeholder='Родоструктурное выражение, задающее формальное определение'
         editable
         height='4.8rem'
diff --git a/rsconcept/frontend/src/dialogs/DlgEditReference/index.tsx b/rsconcept/frontend/src/dialogs/DlgEditReference/index.tsx
index 43b04b33..05c2cf20 100644
--- a/rsconcept/frontend/src/dialogs/DlgEditReference/index.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgEditReference/index.tsx
@@ -179,7 +179,6 @@ function DlgEditReference({ hideWindow, items, initial, onSave }: DlgEditReferen
     </div>);
   }, [handleSelectGrams, selectedGrams]);
 
-
   const columnsConstituenta = useMemo(
   () => [
     constituentaHelper.accessor('alias', {
diff --git a/rsconcept/frontend/src/dialogs/DlgTemplates/ConstituentaTab.tsx b/rsconcept/frontend/src/dialogs/DlgTemplates/ConstituentaTab.tsx
new file mode 100644
index 00000000..8fd6748c
--- /dev/null
+++ b/rsconcept/frontend/src/dialogs/DlgTemplates/ConstituentaTab.tsx
@@ -0,0 +1,65 @@
+import { Dispatch } from 'react';
+
+import SelectSingle from '../../components/Common/SelectSingle';
+import TextArea from '../../components/Common/TextArea';
+import TextInput from '../../components/Common/TextInput';
+import RSInput from '../../components/RSInput';
+import { CstType, ICstCreateData } from '../../models/rsform';
+import { labelCstType } from '../../utils/labels';
+import { SelectorCstType } from '../../utils/selectors';
+
+interface ConstituentaTabProps {
+  state: ICstCreateData
+  partialUpdate: Dispatch<Partial<ICstCreateData>>
+}
+
+function ConstituentaTab({state, partialUpdate}: ConstituentaTabProps) {
+  return (
+  <div className='flex flex-col gap-2'>
+    <div className='flex justify-center w-full gap-6'>
+      <SelectSingle
+        className='my-2 min-w-[15rem] self-center'
+        options={SelectorCstType}
+        placeholder='Выберите тип'
+        value={{ value: state.cst_type, label: labelCstType(state.cst_type) }}
+        onChange={data => partialUpdate({ cst_type: data?.value ?? CstType.TERM})}
+      />
+      <TextInput id='alias' label='Имя'
+        dense
+        dimensions='w-[7rem]'
+        value={state.alias}
+        onChange={event => partialUpdate({ alias: event.target.value})}
+      />
+    </div>
+    <TextArea id='term' label='Термин'
+      placeholder='Схемный или предметный термин, обозначающий данное понятие или утверждение'
+      rows={2}
+      value={state.term_raw}
+      spellCheck
+      onChange={event => partialUpdate({ term_raw: event.target.value })}
+    />
+    <RSInput id='expression' label='Формальное определение'
+      placeholder='Родоструктурное выражение, задающее формальное определение'
+      editable
+      height='4.8rem'
+      value={state.definition_formal}
+      onChange={value => partialUpdate({definition_formal: value})}
+    />
+    <TextArea id='definition' label='Текстовое определение'
+      placeholder='Лингвистическая интерпретация формального выражения'
+      rows={2}
+      value={state.definition_raw}
+      spellCheck
+      onChange={event => partialUpdate({ definition_raw: event.target.value })}
+    />
+    <TextArea id='convention' label='Конвенция / Комментарий'
+      placeholder='Договоренность об интерпретации неопределяемого понятия&#x000D;&#x000A;Комментарий к производному понятию'
+      rows={2}
+      value={state.convention}
+      spellCheck
+      onChange={event => partialUpdate({ convention: event.target.value })}
+    />
+  </div>);
+}
+
+export default ConstituentaTab;
diff --git a/rsconcept/frontend/src/dialogs/DlgTemplates/TemplateTab.tsx b/rsconcept/frontend/src/dialogs/DlgTemplates/TemplateTab.tsx
new file mode 100644
index 00000000..5c00f504
--- /dev/null
+++ b/rsconcept/frontend/src/dialogs/DlgTemplates/TemplateTab.tsx
@@ -0,0 +1,222 @@
+import { Dispatch, useEffect, useMemo, useState } from 'react';
+
+import SelectSingle from '../../components/Common/SelectSingle';
+import TextArea from '../../components/Common/TextArea';
+import TextInput from '../../components/Common/TextInput';
+import DataTable, { createColumnHelper,IConditionalStyle } from '../../components/DataTable';
+import ConstituentaTooltip from '../../components/Help/ConstituentaTooltip';
+import { MagnifyingGlassIcon } from '../../components/Icons';
+import RSInput from '../../components/RSInput';
+import { useLibrary } from '../../context/LibraryContext';
+import { useConceptTheme } from '../../context/ThemeContext';
+import { CstMatchMode } from '../../models/miscelanious';
+import { applyFilterCategory, CATEGORY_CST_TYPE, IConstituenta, IRSForm, matchConstituenta } from '../../models/rsform';
+import { colorfgCstStatus } from '../../utils/color';
+import { prefixes } from '../../utils/constants';
+
+export interface ITemplateState {
+  templateID?: number
+  prototype?: IConstituenta
+  filterCategory?: IConstituenta
+  filterText: string
+}
+
+interface TemplateTabProps {
+  state: ITemplateState
+  partialUpdate: Dispatch<Partial<ITemplateState>>
+}
+
+const constituentaHelper = createColumnHelper<IConstituenta>();
+
+function TemplateTab({ state, partialUpdate }: TemplateTabProps) {
+  const { colors } = useConceptTheme();
+  
+  const { templates, retrieveTemplate } = useLibrary();
+  const [ selectedSchema, setSelectedSchema ] = useState<IRSForm | undefined>(undefined);
+  
+  const [filteredData, setFilteredData] = useState<IConstituenta[]>([]);
+
+  const prototypeInfo = useMemo(
+  () => {
+    if (!state.prototype) {
+      return '';
+    } else {
+      return `${state.prototype?.term_raw}${state.prototype?.definition_raw ? ` — ${state.prototype?.definition_raw}` : ''}`;
+    }
+  }, [state.prototype]);
+
+  const templateSelector = useMemo(
+  () => templates.map(
+    (template) => ({
+      value: template.id,
+      label: template.title
+    })
+  ), [templates]);
+
+  const categorySelector = useMemo(
+  (): {value: number, label: string}[] => {
+    if (!selectedSchema) {
+      return [];
+    }
+    return selectedSchema.items
+    .filter(cst => cst.cst_type === CATEGORY_CST_TYPE)
+    .map(cst => ({
+      value: cst.id,
+      label: cst.term_raw
+    }));
+  }, [selectedSchema]);
+
+  useEffect(
+  () => {
+    if (templates.length > 0 && !state.templateID) {
+      partialUpdate({ templateID: templates[0].id });
+    }
+  }, [templates, state.templateID, partialUpdate]);
+
+  useEffect(
+  () => {
+    if (!state.templateID) {
+      setSelectedSchema(undefined);
+    } else {
+      retrieveTemplate(state.templateID, setSelectedSchema);
+    }
+  }, [state.templateID, retrieveTemplate]);
+
+  // Filter constituents
+  useEffect(
+  () => {
+    if (!selectedSchema) {
+      return;
+    }
+    let data = selectedSchema.items;
+    if (state.filterCategory) {
+      data = applyFilterCategory(state.filterCategory, selectedSchema);
+    }
+    if (state.filterText) {
+      data = data.filter(cst => matchConstituenta(state.filterText, cst, CstMatchMode.TERM));
+    }
+    setFilteredData(data);
+  }, [state.filterText, state.filterCategory, selectedSchema]);
+
+  function handleSelectTemplate(cst: IConstituenta) {
+    partialUpdate( { prototype: cst } );
+  }
+
+  const columns = useMemo(
+  () => [
+    constituentaHelper.accessor('alias', {
+      id: 'alias',
+      header: 'Имя',
+      size: 65,
+      minSize: 65,
+      cell: props => {
+        const cst = props.row.original;
+        return (<>
+          <div
+            id={`${prefixes.cst_template_ist}${cst.alias}`}
+            className='min-w-[3.1rem] max-w-[3.1rem] px-1 text-center rounded-md whitespace-nowrap'
+            style={{
+              borderWidth: '1px', 
+              borderColor: colorfgCstStatus(cst.status, colors), 
+              color: colorfgCstStatus(cst.status, colors), 
+              fontWeight: 600
+            }}
+          >
+            {cst.alias}
+          </div>
+          <ConstituentaTooltip data={cst} anchor={`#${prefixes.cst_template_ist}${cst.alias}`} />
+        </>);
+      }
+    }),
+    constituentaHelper.accessor('term_resolved', {
+      id: 'term',
+      header: 'Термин',
+      size: 600,
+      minSize: 350,
+      maxSize: 600
+    })
+  ], [colors]);
+
+  const conditionalRowStyles = useMemo(
+  (): IConditionalStyle<IConstituenta>[] => [
+    {
+      when: (cst: IConstituenta) => cst.id === state.prototype?.id,
+      style: {
+        backgroundColor: colors.bgSelected
+      },
+    }
+  ], [state.prototype, colors]);
+
+  return (
+  <div className='flex flex-col gap-2 mt-2'>
+    <div className='flex justify-between gap-4'>
+      <SelectSingle
+        className='w-full'
+        options={categorySelector}
+        placeholder='Выберите категорию'
+        value={state.filterCategory && selectedSchema ? {
+          value: state.filterCategory.id,
+          label: state.filterCategory.term_raw
+        } : null}
+        onChange={data => partialUpdate({filterCategory: selectedSchema?.items.find(cst => cst.id === data?.value) })}
+        isClearable
+      />
+      <SelectSingle
+        className='min-w-[15rem]'
+        options={templateSelector}
+        placeholder='Выберите источник'
+        value={state.templateID ? { value: state.templateID, label: templates.find(item => item.id == state.templateID)!.title }: null}
+        onChange={data => partialUpdate({templateID: (data ? data.value : undefined)})}
+      />
+    </div>
+    <div>
+      <div className='relative'>
+        <div className='absolute inset-y-0 flex items-center pl-3 pointer-events-none text-controls'>
+          <MagnifyingGlassIcon />
+        </div>
+        <TextInput
+          dimensions='w-full pl-10'
+          placeholder='Поиск'
+          noOutline
+          value={state.filterText}
+          onChange={event => partialUpdate({ filterText: event.target.value} )}
+        />
+      </div>
+
+      <div className='border min-h-[15.5rem] max-h-[15.5rem] text-sm overflow-y-auto select-none'>
+      <DataTable
+        data={filteredData}
+        columns={columns}
+        conditionalRowStyles={conditionalRowStyles}
+        
+        headPosition='0'
+        dense
+
+        noDataComponent={
+          <span className='flex flex-col justify-center p-2 text-center min-h-[5rem]'>
+            <p>Список конституент пуст</p>
+            <p>Измените параметры фильтра</p>
+          </span>
+        }
+
+        onRowClicked={handleSelectTemplate}
+      />
+      </div>
+    </div>
+    <TextArea id='term'
+      rows={2}
+      disabled
+      placeholder='Шаблон конституенты не выбран'
+      value={prototypeInfo}
+      spellCheck
+    />
+    <RSInput id='expression'
+      height='4.8rem'
+      placeholder='Выберите шаблон из списка'
+      editable={false}
+      value={state.prototype?.definition_formal}
+    />
+  </div>);
+}
+
+export default TemplateTab;
\ No newline at end of file
diff --git a/rsconcept/frontend/src/dialogs/DlgTemplates/index.tsx b/rsconcept/frontend/src/dialogs/DlgTemplates/index.tsx
index 6ca8c65b..98744f61 100644
--- a/rsconcept/frontend/src/dialogs/DlgTemplates/index.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgTemplates/index.tsx
@@ -2,18 +2,14 @@ import { useEffect, useLayoutEffect, useState } from 'react';
 
 import ConceptTooltip from '../../components/Common/ConceptTooltip';
 import Modal, { ModalProps } from '../../components/Common/Modal';
-import SelectSingle from '../../components/Common/SelectSingle';
 import SwitchButton from '../../components/Common/SwitchButton';
-import TextArea from '../../components/Common/TextArea';
-import TextInput from '../../components/Common/TextInput';
 import HelpRSTemplates from '../../components/Help/HelpRSTemplates';
 import { HelpIcon } from '../../components/Icons';
-import RSInput from '../../components/RSInput';
 import usePartialUpdate from '../../hooks/usePartialUpdate';
-import { CstType,ICstCreateData, IRSForm } from '../../models/rsform';
-import { labelCstType } from '../../utils/labels';
+import { CstType, ICstCreateData, IRSForm } from '../../models/rsform';
 import { createAliasFor, validateCstAlias } from '../../utils/misc';
-import { SelectorCstType } from '../../utils/selectors';
+import ConstituentaTab from './ConstituentaTab';
+import TemplateTab, { ITemplateState } from './TemplateTab';
 
 interface DlgTemplatesProps
 extends Pick<ModalProps, 'hideWindow'> {
@@ -23,7 +19,7 @@ extends Pick<ModalProps, 'hideWindow'> {
 
 function DlgTemplates({ hideWindow, schema, onCreate }: DlgTemplatesProps) {
   const [validated, setValidated] = useState(false);
-  const [cstData, updateCstData] = usePartialUpdate({
+  const [cstData, updateCstData] = usePartialUpdate<ICstCreateData>({
     cst_type: CstType.TERM,
     insert_after: null,
     alias: '',
@@ -33,7 +29,10 @@ function DlgTemplates({ hideWindow, schema, onCreate }: DlgTemplatesProps) {
     term_raw: '',
     term_forms: []
   });
-
+  const [ templateData, updateTemplateData ] = usePartialUpdate<ITemplateState>({
+    filterText: ''
+  });
+  
   const [ showAttributes, setShowAttributes ] = useState(false);
 
   const handleSubmit = () => onCreate(cstData);
@@ -48,6 +47,24 @@ function DlgTemplates({ hideWindow, schema, onCreate }: DlgTemplatesProps) {
     setValidated(validateCstAlias(cstData.alias, cstData.cst_type, schema));
   }, [cstData.alias, cstData.cst_type, schema]);
 
+  useLayoutEffect(
+  () => {
+    if (!templateData.prototype) {
+      updateCstData({
+        definition_raw: '',
+        definition_formal: '',
+        term_raw: ''
+      });
+    } else {
+    updateCstData({
+      cst_type: templateData.prototype.cst_type,
+      definition_raw: templateData.prototype.definition_raw,
+      definition_formal: templateData.prototype.definition_formal,
+      term_raw:  templateData.prototype.term_raw
+    });
+    }
+  }, [templateData.prototype, updateCstData]);
+
   return (
   <Modal
     title='Создание конституенты из шаблона'
@@ -87,56 +104,16 @@ function DlgTemplates({ hideWindow, schema, onCreate }: DlgTemplatesProps) {
     </div>
 
     { !showAttributes && 
-    <div>
-      Выбор шаблона и параметров
-    </div>}
+    <TemplateTab
+      state={templateData}
+      partialUpdate={updateTemplateData}
+    />}
     
     { showAttributes && 
-    <div>
-      <div className='flex justify-center w-full gap-6'>
-        <SelectSingle
-          className='my-2 min-w-[15rem] self-center'
-          options={SelectorCstType}
-          placeholder='Выберите тип'
-          value={{ value: cstData.cst_type, label: labelCstType(cstData.cst_type) }}
-          onChange={data => updateCstData({ cst_type: data?.value ?? CstType.TERM})}
-        />
-        <TextInput id='alias' label='Имя'
-          dense
-          dimensions='w-[7rem]'
-          value={cstData.alias}
-          onChange={event => updateCstData({ alias: event.target.value})}
-        />
-      </div>
-      <TextArea id='term' label='Термин'
-        placeholder='Схемный или предметный термин, обозначающий данное понятие или утверждение'
-        rows={2}
-        value={cstData.term_raw}
-        spellCheck
-        onChange={event => updateCstData({ term_raw: event.target.value })}
-      />
-      <RSInput id='expression' label='Формальное выражение'
-        placeholder='Родоструктурное выражение, задающее формальное определение'
-        editable
-        height='4.8rem'
-        value={cstData.definition_formal}
-        onChange={value => updateCstData({definition_formal: value})}
-      />
-      <TextArea id='definition' label='Текстовое определение'
-        placeholder='Лингвистическая интерпретация формального выражения'
-        rows={2}
-        value={cstData.definition_raw}
-        spellCheck
-        onChange={event => updateCstData({ definition_raw: event.target.value })}
-      />
-      <TextArea id='convention' label='Конвенция / Комментарий'
-        placeholder='Договоренность об интерпретации неопределяемого понятия&#x000D;&#x000A;Комментарий к производному понятию'
-        rows={2}
-        value={cstData.convention}
-        spellCheck
-        onChange={event => updateCstData({ convention: event.target.value })}
-      />
-    </div>}
+    <ConstituentaTab 
+      state={cstData}
+      partialUpdate={updateCstData}
+    />}
   </div>
   </Modal>);
 }
diff --git a/rsconcept/frontend/src/hooks/useRSFormDetails.ts b/rsconcept/frontend/src/hooks/useRSFormDetails.ts
index d5ac56be..7192f032 100644
--- a/rsconcept/frontend/src/hooks/useRSFormDetails.ts
+++ b/rsconcept/frontend/src/hooks/useRSFormDetails.ts
@@ -1,7 +1,7 @@
 import { useCallback, useEffect, useState } from 'react'
 
 import { type ErrorInfo } from '../components/BackendError';
-import { IRSForm, IRSFormData,loadRSFormData } from '../models/rsform'
+import { IRSForm, IRSFormData, loadRSFormData } from '../models/rsform'
 import { getRSFormDetails } from '../utils/backendAPI';
 
 export function useRSFormDetails({ target }: { target?: string }) {
@@ -19,24 +19,24 @@ export function useRSFormDetails({ target }: { target?: string }) {
   }
 
   const reload = useCallback(
-    (setCustomLoading?: typeof setLoading, callback?: () => void) => {
-      setError(undefined);
-      if (!target) {
-        return;
+  (setCustomLoading?: typeof setLoading, callback?: () => void) => {
+    setError(undefined);
+    if (!target) {
+      return;
+    }
+    getRSFormDetails(target, {
+      showError: true,
+      setLoading: setCustomLoading ?? setLoading,
+      onError: error => {
+        setInnerSchema(undefined);
+        setError(error);
+      },
+      onSuccess: schema => {
+        setSchema(schema);
+        if (callback) callback();
       }
-      getRSFormDetails(target, {
-        showError: true,
-        setLoading: setCustomLoading ?? setLoading,
-        onError: error => {
-          setInnerSchema(undefined);
-          setError(error);
-        },
-        onSuccess: schema => {
-          setSchema(schema);
-          if (callback) callback();
-        }
-      });
-    }, [target]);
+    });
+  }, [target]);
 
   useEffect(() => {
     reload();
diff --git a/rsconcept/frontend/src/models/rsform.ts b/rsconcept/frontend/src/models/rsform.ts
index d0b62f16..f6ed9825 100644
--- a/rsconcept/frontend/src/models/rsform.ts
+++ b/rsconcept/frontend/src/models/rsform.ts
@@ -16,6 +16,9 @@ export enum CstType {
   THEOREM = 'theorem'
 }
 
+// CstType constant for category dividers in TemplateSchemas. TODO: create separate sctructure for templates
+export const CATEGORY_CST_TYPE = CstType.THEOREM;
+
 export enum CstClass {
   BASIC = 'basic',
   DERIVED = 'derived',
@@ -307,3 +310,18 @@ export function createMockConstituenta(schema: number, id: number, alias: string
   };
 }
 
+export function applyFilterCategory(target: IConstituenta, schema: IRSFormData): IConstituenta[] {
+  const nextCategory = schema.items.find(
+    cst => (
+      cst.order > target.order &&
+      cst.cst_type === CATEGORY_CST_TYPE
+    )
+  );
+  return schema.items.filter(
+    cst => (
+      cst.order > target.order &&
+      (!nextCategory || cst.order <= nextCategory.order)
+    )
+  );
+}
+
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta.tsx
index 1a199289..a29f8363 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta.tsx
@@ -229,7 +229,7 @@ function EditorConstituenta({
           colorClass='clr-app'
           disabled
         />
-        <EditorRSExpression id='expression' label='Формальное выражение'
+        <EditorRSExpression id='expression' label='Формальное определение'
           activeCst={activeCst}
           placeholder='Родоструктурное выражение, задающее формальное определение'
           value={expression}
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression.tsx
index 513179d1..b5e89a08 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorRSExpression.tsx
@@ -118,7 +118,7 @@ function EditorRSExpression({
   return (
   <div className='flex flex-col items-start w-full'>
     <div className='relative w-full'>
-      <div className='absolute top-[-0.2rem] left-[10.5rem]'>
+      <div className='absolute top-[-0.2rem] left-[11rem]'>
       <MiniButton
           tooltip='Дерево разбора выражения'
           noHover
@@ -141,7 +141,7 @@ function EditorRSExpression({
     <div className='w-full max-h-[5rem] min-h-[5rem] flex'>
       <div className='flex flex-col'>
         <Button
-          tooltip='Проверить формальное выражение'
+          tooltip='Проверить формальное определение'
           text='Проверить'
           dimensions='w-fit h-[3rem] z-pop'
           colorClass='clr-btn-default'
diff --git a/rsconcept/frontend/src/utils/constants.ts b/rsconcept/frontend/src/utils/constants.ts
index 535f3bda..a51c317d 100644
--- a/rsconcept/frontend/src/utils/constants.ts
+++ b/rsconcept/frontend/src/utils/constants.ts
@@ -34,6 +34,7 @@ export const globalIDs = {
 
 export const prefixes = {
   cst_list: 'cst-list-',
+  cst_template_ist: 'cst-template-list-',
   cst_wordform_list: 'cst-wordform-list-',
   cst_status_list: 'cst-status-list-',
   cst_match_mode_list: 'cst-match-mode-list-',