diff --git a/rsconcept/frontend/src/app/Navigation/Logo.tsx b/rsconcept/frontend/src/app/Navigation/Logo.tsx
index b5491fc9..6358d18d 100644
--- a/rsconcept/frontend/src/app/Navigation/Logo.tsx
+++ b/rsconcept/frontend/src/app/Navigation/Logo.tsx
@@ -10,7 +10,7 @@ function Logo() {
   return (
     <img
       alt='Логотип КонцептПортал'
-      className={clsx('max-h-[1.6rem] min-w-fit', 'text-start', {
+      className={clsx('max-h-[1.6rem] min-w-fit', {
         'min-w-[11.5rem]': size.isSmall
       })}
       src={size.isSmall ? '/logo_sign.svg' : !darkMode ? '/logo_full.svg' : '/logo_full_dark.svg'}
diff --git a/rsconcept/frontend/src/components/ConstituentaSelector.tsx b/rsconcept/frontend/src/components/ConstituentaSelector.tsx
index 90fe5f25..eb50cf28 100644
--- a/rsconcept/frontend/src/components/ConstituentaSelector.tsx
+++ b/rsconcept/frontend/src/components/ConstituentaSelector.tsx
@@ -3,7 +3,7 @@
 import { useCallback, useMemo } from 'react';
 
 import { CstMatchMode } from '@/models/miscellaneous';
-import { EntityID, IConstituenta } from '@/models/rsform';
+import { ConstituentaID, IConstituenta } from '@/models/rsform';
 import { matchConstituenta } from '@/models/rsformAPI';
 import { describeConstituenta, describeConstituentaTerm } from '@/utils/labels';
 
@@ -26,7 +26,7 @@ function ConstituentaSelector({ items, value, onSelectValue }: ConstituentaSelec
   }, [items]);
 
   const filter = useCallback(
-    (option: { value: EntityID | undefined; label: string }, inputValue: string) => {
+    (option: { value: ConstituentaID | undefined; label: string }, inputValue: string) => {
       const cst = items?.find(item => item.id === option.value);
       return !cst ? false : matchConstituenta(cst, inputValue, CstMatchMode.ALL);
     },
diff --git a/rsconcept/frontend/src/components/ui/Checkbox.tsx b/rsconcept/frontend/src/components/ui/Checkbox.tsx
index 2b7d877c..ac0c6860 100644
--- a/rsconcept/frontend/src/components/ui/Checkbox.tsx
+++ b/rsconcept/frontend/src/components/ui/Checkbox.tsx
@@ -51,7 +51,6 @@ function Checkbox({
       className={clsx(
         'flex items-center gap-2', // prettier: split lines
         'outline-none',
-        'text-start',
         cursor,
         className
       )}
@@ -79,7 +78,7 @@ function Checkbox({
           </div>
         ) : null}
       </div>
-      <label className={clsx('text-sm whitespace-nowrap', cursor)} htmlFor={id}>
+      <label className={clsx('text-start text-sm whitespace-nowrap', cursor)} htmlFor={id}>
         {label}
       </label>
     </button>
diff --git a/rsconcept/frontend/src/components/ui/CheckboxTristate.tsx b/rsconcept/frontend/src/components/ui/CheckboxTristate.tsx
index 0f29a83b..85a610f4 100644
--- a/rsconcept/frontend/src/components/ui/CheckboxTristate.tsx
+++ b/rsconcept/frontend/src/components/ui/CheckboxTristate.tsx
@@ -52,7 +52,7 @@ function CheckboxTristate({
       type='button'
       id={id}
       className={clsx(
-        'flex items-center gap-2 text-start', // prettier: split lines
+        'flex items-center gap-2', // prettier: split lines
         'outline-none',
         cursor,
         className
@@ -86,7 +86,7 @@ function CheckboxTristate({
           </div>
         ) : null}
       </div>
-      <label className={clsx('text-sm whitespace-nowrap', cursor)} htmlFor={id}>
+      <label className={clsx('text-start text-sm whitespace-nowrap', cursor)} htmlFor={id}>
         {label}
       </label>
     </button>
diff --git a/rsconcept/frontend/src/components/ui/LabeledValue.tsx b/rsconcept/frontend/src/components/ui/LabeledValue.tsx
index c46f51ee..d7821606 100644
--- a/rsconcept/frontend/src/components/ui/LabeledValue.tsx
+++ b/rsconcept/frontend/src/components/ui/LabeledValue.tsx
@@ -8,9 +8,7 @@ interface LabeledValueProps {
 function LabeledValue({ id, label, text, title }: LabeledValueProps) {
   return (
     <div className='flex justify-between gap-3'>
-      <label title={title} htmlFor={id}>
-        {label}
-      </label>
+      <label title={title}>{label}</label>
       <span id={id}>{text}</span>
     </div>
   );
diff --git a/rsconcept/frontend/src/context/RSFormContext.tsx b/rsconcept/frontend/src/context/RSFormContext.tsx
index 062cd572..e882a606 100644
--- a/rsconcept/frontend/src/context/RSFormContext.tsx
+++ b/rsconcept/frontend/src/context/RSFormContext.tsx
@@ -7,7 +7,7 @@ import useRSFormDetails from '@/hooks/useRSFormDetails';
 import { ILibraryItem, IVersionData } from '@/models/library';
 import { ILibraryUpdateData } from '@/models/library';
 import {
-  EntityID,
+  ConstituentaID,
   IConstituentaList,
   IConstituentaMeta,
   ICstCreateData,
@@ -64,7 +64,7 @@ interface IRSFormContext {
   upload: (data: IRSFormUploadData, callback: () => void) => void;
 
   resetAliases: (callback: () => void) => void;
-  produceStructure: (data: ICstID, callback?: DataCallback<EntityID[]>) => void;
+  produceStructure: (data: ICstID, callback?: DataCallback<ConstituentaID[]>) => void;
 
   cstCreate: (data: ICstCreateData, callback?: DataCallback<IConstituentaMeta>) => void;
   cstRename: (data: ICstRenameData, callback?: DataCallback<IConstituentaMeta>) => void;
@@ -265,7 +265,7 @@ export const RSFormState = ({ schemaID, versionID, children }: RSFormStateProps)
   );
 
   const produceStructure = useCallback(
-    (data: ICstID, callback?: DataCallback<EntityID[]>) => {
+    (data: ICstID, callback?: DataCallback<ConstituentaID[]>) => {
       setError(undefined);
       patchProduceStructure(schemaID, {
         data: data,
diff --git a/rsconcept/frontend/src/dialogs/DlgConstituentaTemplate/ArgumentsTab.tsx b/rsconcept/frontend/src/dialogs/DlgConstituentaTemplate/ArgumentsTab.tsx
index de4a5ae5..14f66bb0 100644
--- a/rsconcept/frontend/src/dialogs/DlgConstituentaTemplate/ArgumentsTab.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgConstituentaTemplate/ArgumentsTab.tsx
@@ -2,7 +2,7 @@
 
 import { createColumnHelper } from '@tanstack/react-table';
 import clsx from 'clsx';
-import { Dispatch, useCallback, useEffect, useMemo, useState } from 'react';
+import { useCallback, useEffect, useMemo, useState } from 'react';
 import { BiCheck, BiRefresh, BiX } from 'react-icons/bi';
 
 import ConstituentaPicker from '@/components/ConstituentaPicker';
@@ -17,7 +17,7 @@ import { prefixes } from '@/utils/constants';
 interface ArgumentsTabProps {
   state: IArgumentsState;
   schema: IRSForm;
-  partialUpdate: Dispatch<Partial<IArgumentsState>>;
+  partialUpdate: React.Dispatch<Partial<IArgumentsState>>;
 }
 
 export interface IArgumentsState {
diff --git a/rsconcept/frontend/src/dialogs/DlgConstituentaTemplate/ConstituentaTab.tsx b/rsconcept/frontend/src/dialogs/DlgConstituentaTemplate/ConstituentaTab.tsx
index 6023be60..7e0cd12c 100644
--- a/rsconcept/frontend/src/dialogs/DlgConstituentaTemplate/ConstituentaTab.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgConstituentaTemplate/ConstituentaTab.tsx
@@ -1,7 +1,5 @@
 'use client';
 
-import { Dispatch } from 'react';
-
 import RSInput from '@/components/RSInput';
 import SelectSingle from '@/components/ui/SelectSingle';
 import TextArea from '@/components/ui/TextArea';
@@ -12,7 +10,7 @@ import { SelectorCstType } from '@/utils/selectors';
 
 interface ConstituentaTabProps {
   state: ICstCreateData;
-  partialUpdate: Dispatch<Partial<ICstCreateData>>;
+  partialUpdate: React.Dispatch<Partial<ICstCreateData>>;
 }
 
 function ConstituentaTab({ state, partialUpdate }: ConstituentaTabProps) {
diff --git a/rsconcept/frontend/src/dialogs/DlgConstituentaTemplate/DlgConstituentaTemplate.tsx b/rsconcept/frontend/src/dialogs/DlgConstituentaTemplate/DlgConstituentaTemplate.tsx
index b0213b8f..60969539 100644
--- a/rsconcept/frontend/src/dialogs/DlgConstituentaTemplate/DlgConstituentaTemplate.tsx
+++ b/rsconcept/frontend/src/dialogs/DlgConstituentaTemplate/DlgConstituentaTemplate.tsx
@@ -1,7 +1,7 @@
 'use client';
 
 import clsx from 'clsx';
-import { useLayoutEffect, useState } from 'react';
+import { useLayoutEffect, useMemo, useState } from 'react';
 import { TabList, TabPanel, Tabs } from 'react-tabs';
 
 import HelpButton from '@/components/Help/HelpButton';
@@ -32,7 +32,8 @@ export enum TabID {
 }
 
 function DlgConstituentaTemplate({ hideWindow, schema, onCreate, insertAfter }: DlgConstituentaTemplateProps) {
-  const [validated, setValidated] = useState(false);
+  const [activeTab, setActiveTab] = useState(TabID.TEMPLATE);
+
   const [template, updateTemplate] = usePartialUpdate<ITemplateState>({});
   const [substitutes, updateSubstitutes] = usePartialUpdate<IArgumentsState>({
     definition: '',
@@ -49,7 +50,10 @@ function DlgConstituentaTemplate({ hideWindow, schema, onCreate, insertAfter }:
     term_forms: []
   });
 
-  const [activeTab, setActiveTab] = useState(TabID.TEMPLATE);
+  const validated = useMemo(
+    () => validateNewAlias(constituenta.alias, constituenta.cst_type, schema),
+    [constituenta.alias, constituenta.cst_type, schema]
+  );
 
   const handleSubmit = () => onCreate(constituenta);
 
@@ -57,10 +61,6 @@ function DlgConstituentaTemplate({ hideWindow, schema, onCreate, insertAfter }:
     updateConstituenta({ alias: generateAlias(constituenta.cst_type, schema) });
   }, [constituenta.cst_type, updateConstituenta, schema]);
 
-  useLayoutEffect(() => {
-    setValidated(validateNewAlias(constituenta.alias, constituenta.cst_type, schema));
-  }, [constituenta.alias, constituenta.cst_type, schema]);
-
   useLayoutEffect(() => {
     if (!template.prototype) {
       updateConstituenta({
diff --git a/rsconcept/frontend/src/models/library.ts b/rsconcept/frontend/src/models/library.ts
index 7646ac2d..bdfb6d2d 100644
--- a/rsconcept/frontend/src/models/library.ts
+++ b/rsconcept/frontend/src/models/library.ts
@@ -96,6 +96,11 @@ export interface IVersionInfo {
   time_create: string;
 }
 
+/**
+ * Represents {@link LibraryItem} identifier type.
+ */
+export type LibraryItemID = number;
+
 /**
  * Represents user data, intended to create or update version metadata in persistent storage.
  */
@@ -105,7 +110,7 @@ export interface IVersionData extends Omit<IVersionInfo, 'id' | 'time_create'> {
  * Represents library item common data typical for all item types.
  */
 export interface ILibraryItem {
-  id: number;
+  id: LibraryItemID;
   item_type: LibraryItemType;
   title: string;
   alias: string;
diff --git a/rsconcept/frontend/src/models/rsform.ts b/rsconcept/frontend/src/models/rsform.ts
index 8741ac05..975b4c60 100644
--- a/rsconcept/frontend/src/models/rsform.ts
+++ b/rsconcept/frontend/src/models/rsform.ts
@@ -4,7 +4,7 @@
 
 import { Graph } from '@/models/Graph';
 
-import { ILibraryItemEx, ILibraryUpdateData } from './library';
+import { ILibraryItemEx, ILibraryUpdateData, LibraryItemID } from './library';
 import { IArgumentInfo, ParsingStatus, ValueClass } from './rslang';
 
 /**
@@ -25,9 +25,14 @@ export enum CstType {
 export const CATEGORY_CST_TYPE = CstType.THEOREM;
 
 /**
- * Represents Entity identifier type.
+ * Represents position in linear order.
  */
-export type EntityID = number;
+export type Position = number;
+
+/**
+ * Represents {@link Constituenta} identifier type.
+ */
+export type ConstituentaID = number;
 
 /**
  * Represents Constituenta classification in terms of system of concepts.
@@ -63,9 +68,9 @@ export interface TermForm {
  * Represents Constituenta basic persistent data.
  */
 export interface IConstituentaMeta {
-  id: EntityID;
-  schema: number;
-  order: number;
+  id: ConstituentaID;
+  schema: LibraryItemID;
+  order: Position;
   alias: string;
   convention: string;
   cst_type: CstType;
@@ -102,7 +107,7 @@ export interface IConstituenta extends IConstituentaMeta {
  * Represents Constituenta list.
  */
 export interface IConstituentaList {
-  items: EntityID[];
+  items: ConstituentaID[];
 }
 
 /**
@@ -113,14 +118,14 @@ export interface ICstCreateData
     IConstituentaMeta,
     'alias' | 'cst_type' | 'definition_raw' | 'term_raw' | 'convention' | 'definition_formal' | 'term_forms'
   > {
-  insert_after: number | null;
+  insert_after: ConstituentaID | null;
 }
 
 /**
  * Represents data, used in ordering constituents in a list.
  */
 export interface ICstMovetoData extends IConstituentaList {
-  move_to: number;
+  move_to: Position;
 }
 
 /**
@@ -144,8 +149,8 @@ export interface ICstRenameData extends Pick<IConstituentaMeta, 'id' | 'alias' |
  * Represents data, used in merging {@link IConstituenta}.
  */
 export interface ICstSubstituteData {
-  original: EntityID;
-  substitution: EntityID;
+  original: ConstituentaID;
+  substitution: ConstituentaID;
   transfer_term: boolean;
 }
 
@@ -161,7 +166,7 @@ export interface ICstCreatedResponse {
  * Represents data response when creating producing structure of {@link IConstituenta}.
  */
 export interface IProduceStructureResponse {
-  cst_list: EntityID[];
+  cst_list: ConstituentaID[];
   schema: IRSFormData;
 }
 
@@ -226,3 +231,13 @@ export interface IVersionCreatedResponse {
   version: number;
   schema: IRSFormData;
 }
+
+/**
+ * Represents input data for inline synthesis.
+ */
+export interface IRSFormInlineData {
+  receiver: LibraryItemID;
+  source: LibraryItemID;
+  items: ConstituentaID[];
+  substitutions: ICstSubstituteData[];
+}
diff --git a/rsconcept/frontend/src/models/rsformAPI.ts b/rsconcept/frontend/src/models/rsformAPI.ts
index 98931983..7f253f34 100644
--- a/rsconcept/frontend/src/models/rsformAPI.ts
+++ b/rsconcept/frontend/src/models/rsformAPI.ts
@@ -6,7 +6,16 @@ import { Graph } from '@/models/Graph';
 import { TextMatcher } from '@/utils/utils';
 
 import { CstMatchMode } from './miscellaneous';
-import { CATEGORY_CST_TYPE, CstClass, CstType, ExpressionStatus, IConstituenta, IRSForm, IRSFormData } from './rsform';
+import {
+  CATEGORY_CST_TYPE,
+  ConstituentaID,
+  CstClass,
+  CstType,
+  ExpressionStatus,
+  IConstituenta,
+  IRSForm,
+  IRSFormData
+} from './rsform';
 import { ParsingStatus, ValueClass } from './rslang';
 import { extractGlobals } from './rslangAPI';
 
@@ -185,7 +194,7 @@ export function inferClass(type: CstType, isTemplate: boolean): CstClass {
 /**
  * Creates a mock {@link IConstituenta} object with the provided parameters and default values for other properties.
  */
-export function createMockConstituenta(id: number, alias: string, comment: string): IConstituenta {
+export function createMockConstituenta(id: ConstituentaID, alias: string, comment: string): IConstituenta {
   return {
     id: id,
     order: -1,
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta/EditorConstituenta.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta/EditorConstituenta.tsx
index 2fb1d458..8c20e764 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta/EditorConstituenta.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorConstituenta/EditorConstituenta.tsx
@@ -6,7 +6,7 @@ import { useMemo, useState } from 'react';
 
 import useLocalStorage from '@/hooks/useLocalStorage';
 import useWindowSize from '@/hooks/useWindowSize';
-import { IConstituenta } from '@/models/rsform';
+import { ConstituentaID, IConstituenta } from '@/models/rsform';
 import { globalIDs } from '@/utils/constants';
 
 import { useRSEdit } from '../RSEditContext';
@@ -24,7 +24,7 @@ interface EditorConstituentaProps {
   activeCst?: IConstituenta;
   isModified: boolean;
   setIsModified: React.Dispatch<React.SetStateAction<boolean>>;
-  onOpenEdit: (cstID: number) => void;
+  onOpenEdit: (cstID: ConstituentaID) => void;
 }
 
 function EditorConstituenta({ activeCst, isModified, setIsModified, onOpenEdit }: EditorConstituentaProps) {
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorRSList/EditorRSList.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorRSList/EditorRSList.tsx
index 36f89db7..004daf1e 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorRSList/EditorRSList.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorRSList/EditorRSList.tsx
@@ -5,16 +5,16 @@ import { useLayoutEffect, useState } from 'react';
 
 import { type RowSelectionState } from '@/components/DataTable';
 import SelectedCounter from '@/components/SelectedCounter';
-import { CstType } from '@/models/rsform';
+import { ConstituentaID, CstType } from '@/models/rsform';
 
 import { useRSEdit } from '../RSEditContext';
 import RSListToolbar from './RSListToolbar';
 import RSTable from './RSTable';
 
 interface EditorRSListProps {
-  selected: number[];
-  setSelected: React.Dispatch<React.SetStateAction<number[]>>;
-  onOpenEdit: (cstID: number) => void;
+  selected: ConstituentaID[];
+  setSelected: React.Dispatch<React.SetStateAction<ConstituentaID[]>>;
+  onOpenEdit: (cstID: ConstituentaID) => void;
 }
 
 function EditorRSList({ selected, setSelected, onOpenEdit }: EditorRSListProps) {
@@ -38,7 +38,7 @@ function EditorRSList({ selected, setSelected, onOpenEdit }: EditorRSListProps)
       setSelected([]);
     } else {
       const newRowSelection = typeof updater === 'function' ? updater(rowSelection) : updater;
-      const newSelection: number[] = [];
+      const newSelection: ConstituentaID[] = [];
       controller.schema.items.forEach((cst, index) => {
         if (newRowSelection[String(index)] === true) {
           newSelection.push(cst.id);
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorRSList/RSTable.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorRSList/RSTable.tsx
index 7d0f57b9..554d8942 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorRSList/RSTable.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorRSList/RSTable.tsx
@@ -8,7 +8,7 @@ import DataTable, { createColumnHelper, RowSelectionState, VisibilityState } fro
 import FlexColumn from '@/components/ui/FlexColumn';
 import { useConceptTheme } from '@/context/ThemeContext';
 import useWindowSize from '@/hooks/useWindowSize';
-import { IConstituenta } from '@/models/rsform';
+import { ConstituentaID, IConstituenta } from '@/models/rsform';
 import { prefixes } from '@/utils/constants';
 import { labelCstTypification } from '@/utils/labels';
 
@@ -18,7 +18,7 @@ interface RSTableProps {
   selected: RowSelectionState;
   setSelected: React.Dispatch<React.SetStateAction<RowSelectionState>>;
 
-  onEdit: (cstID: number) => void;
+  onEdit: (cstID: ConstituentaID) => void;
   onCreateNew: () => void;
 }
 
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/EditorTermGraph.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/EditorTermGraph.tsx
index 0c75048b..0ce243ac 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/EditorTermGraph.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/EditorTermGraph.tsx
@@ -12,7 +12,7 @@ import { useConceptTheme } from '@/context/ThemeContext';
 import DlgGraphParams from '@/dialogs/DlgGraphParams';
 import useLocalStorage from '@/hooks/useLocalStorage';
 import { GraphColoringScheme, GraphFilterParams } from '@/models/miscellaneous';
-import { CstType } from '@/models/rsform';
+import { ConstituentaID, CstType } from '@/models/rsform';
 import { colorBgGraphNode } from '@/styling/color';
 import { classnames, TIMEOUT_GRAPH_REFRESH } from '@/utils/constants';
 
@@ -24,9 +24,9 @@ import useGraphFilter from './useGraphFilter';
 import ViewHidden from './ViewHidden';
 
 interface EditorTermGraphProps {
-  selected: number[];
-  setSelected: React.Dispatch<React.SetStateAction<number[]>>;
-  onOpenEdit: (cstID: number) => void;
+  selected: ConstituentaID[];
+  setSelected: React.Dispatch<React.SetStateAction<ConstituentaID[]>>;
+  onOpenEdit: (cstID: ConstituentaID) => void;
 }
 
 function EditorTermGraph({ selected, setSelected, onOpenEdit }: EditorTermGraphProps) {
@@ -51,7 +51,7 @@ function EditorTermGraph({ selected, setSelected, onOpenEdit }: EditorTermGraphP
   const [showParamsDialog, setShowParamsDialog] = useState(false);
   const filtered = useGraphFilter(controller.schema, filterParams);
 
-  const [hidden, setHidden] = useState<number[]>([]);
+  const [hidden, setHidden] = useState<ConstituentaID[]>([]);
 
   const nothingSelected = useMemo(() => selected.length === 0, [selected]);
 
@@ -60,7 +60,7 @@ function EditorTermGraph({ selected, setSelected, onOpenEdit }: EditorTermGraphP
   const [coloringScheme, setColoringScheme] = useLocalStorage<GraphColoringScheme>('graph_coloring', 'type');
   const [orbit, setOrbit] = useState(false);
 
-  const [hoverID, setHoverID] = useState<number | undefined>(undefined);
+  const [hoverID, setHoverID] = useState<ConstituentaID | undefined>(undefined);
   const hoverCst = useMemo(() => {
     return controller.schema?.items.find(cst => cst.id === hoverID);
   }, [controller.schema?.items, hoverID]);
@@ -71,7 +71,7 @@ function EditorTermGraph({ selected, setSelected, onOpenEdit }: EditorTermGraphP
     if (!controller.schema) {
       return;
     }
-    const newDismissed: number[] = [];
+    const newDismissed: ConstituentaID[] = [];
     controller.schema.items.forEach(cst => {
       if (!filtered.nodes.has(cst.id)) {
         newDismissed.push(cst.id);
@@ -116,13 +116,13 @@ function EditorTermGraph({ selected, setSelected, onOpenEdit }: EditorTermGraphP
   }, [filtered.nodes]);
 
   const handleGraphSelection = useCallback(
-    (newID: number) => {
+    (newID: ConstituentaID) => {
       setSelected(prev => [...prev, newID]);
     },
     [setSelected]
   );
 
-  function toggleDismissed(cstID: number) {
+  function toggleDismissed(cstID: ConstituentaID) {
     setSelected(prev => {
       if (prev.includes(cstID)) {
         return [...prev.filter(id => id !== cstID)];
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/TermGraph.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/TermGraph.tsx
index 41ede825..4ae02ede 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/TermGraph.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/TermGraph.tsx
@@ -4,21 +4,22 @@ import { useCallback, useLayoutEffect, useMemo, useRef } from 'react';
 
 import GraphUI, { GraphCanvasRef, GraphEdge, GraphNode, LayoutTypes, useSelection } from '@/components/GraphUI';
 import { useConceptTheme } from '@/context/ThemeContext';
+import { ConstituentaID } from '@/models/rsform';
 import { graphDarkT, graphLightT } from '@/styling/color';
 import { resources } from '@/utils/constants';
 
 interface TermGraphProps {
   nodes: GraphNode[];
   edges: GraphEdge[];
-  selectedIDs: number[];
+  selectedIDs: ConstituentaID[];
 
   layout: LayoutTypes;
   is3D: boolean;
   orbit: boolean;
 
-  setHoverID: (newID: number | undefined) => void;
-  onEdit: (cstID: number) => void;
-  onSelect: (newID: number) => void;
+  setHoverID: (newID: ConstituentaID | undefined) => void;
+  onEdit: (cstID: ConstituentaID) => void;
+  onSelect: (newID: ConstituentaID) => void;
   onDeselectAll: () => void;
 
   toggleResetView: boolean;
diff --git a/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/ViewHidden.tsx b/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/ViewHidden.tsx
index 7eb875d8..a693642b 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/ViewHidden.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/EditorTermGraph/ViewHidden.tsx
@@ -5,18 +5,18 @@ import { useCallback, useMemo } from 'react';
 import ConstituentaTooltip from '@/components/ConstituentaTooltip';
 import { useConceptTheme } from '@/context/ThemeContext';
 import { GraphColoringScheme } from '@/models/miscellaneous';
-import { IRSForm } from '@/models/rsform';
+import { ConstituentaID, IRSForm } from '@/models/rsform';
 import { colorBgGraphNode } from '@/styling/color';
 import { prefixes } from '@/utils/constants';
 
 interface ViewHiddenProps {
-  items: number[];
-  selected: number[];
+  items: ConstituentaID[];
+  selected: ConstituentaID[];
   schema?: IRSForm;
   coloringScheme: GraphColoringScheme;
 
-  toggleSelection: (cstID: number) => void;
-  onEdit: (cstID: number) => void;
+  toggleSelection: (cstID: ConstituentaID) => void;
+  onEdit: (cstID: ConstituentaID) => void;
 }
 
 function ViewHidden({ items, selected, toggleSelection, schema, coloringScheme, onEdit }: ViewHiddenProps) {
@@ -27,7 +27,7 @@ function ViewHidden({ items, selected, toggleSelection, schema, coloringScheme,
   }, [noNavigation]);
 
   const dismissedStyle = useCallback(
-    (cstID: number) => {
+    (cstID: ConstituentaID) => {
       return selected.includes(cstID) ? { outlineWidth: '2px', outlineStyle: 'solid' } : {};
     },
     [selected]
diff --git a/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx b/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx
index 63a82976..17ad3eb5 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/RSTabs.tsx
@@ -12,7 +12,7 @@ import { useBlockNavigation, useConceptNavigation } from '@/context/NavigationCo
 import { useRSForm } from '@/context/RSFormContext';
 import { useConceptTheme } from '@/context/ThemeContext';
 import useQueryStrings from '@/hooks/useQueryStrings';
-import { IConstituenta, IConstituentaMeta } from '@/models/rsform';
+import { ConstituentaID, IConstituenta, IConstituentaMeta } from '@/models/rsform';
 import { prefixes, TIMEOUT_UI_REFRESH } from '@/utils/constants';
 import { labelVersion } from '@/utils/labels';
 
@@ -44,7 +44,7 @@ function RSTabs() {
   const [isModified, setIsModified] = useState(false);
   useBlockNavigation(isModified);
 
-  const [selected, setSelected] = useState<number[]>([]);
+  const [selected, setSelected] = useState<ConstituentaID[]>([]);
   const activeCst: IConstituenta | undefined = useMemo(() => {
     if (!schema || selected.length === 0) {
       return undefined;
@@ -80,7 +80,7 @@ function RSTabs() {
   }, [activeTab, cstQuery, setSelected, schema, setNoFooter, setIsModified]);
 
   const navigateTab = useCallback(
-    (tab: RSTabID, activeID?: number) => {
+    (tab: RSTabID, activeID?: ConstituentaID) => {
       if (!schema) {
         return;
       }
@@ -125,7 +125,7 @@ function RSTabs() {
   );
 
   const onDeleteCst = useCallback(
-    (newActive?: number) => {
+    (newActive?: ConstituentaID) => {
       if (!newActive) {
         navigateTab(RSTabID.CST_LIST);
       } else if (activeTab === RSTabID.CST_EDIT) {
@@ -138,7 +138,7 @@ function RSTabs() {
   );
 
   const onOpenCst = useCallback(
-    (cstID: number) => {
+    (cstID: ConstituentaID) => {
       setSelected([cstID]);
       navigateTab(RSTabID.CST_EDIT, cstID);
     },
diff --git a/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ConstituentsSearch.tsx b/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ConstituentsSearch.tsx
index f1c830fb..4ced5e73 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ConstituentsSearch.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ConstituentsSearch.tsx
@@ -11,7 +11,7 @@ import useDropdown from '@/hooks/useDropdown';
 import useLocalStorage from '@/hooks/useLocalStorage';
 import { CstMatchMode, DependencyMode } from '@/models/miscellaneous';
 import { applyGraphFilter } from '@/models/miscellaneousAPI';
-import { IConstituenta, IRSForm } from '@/models/rsform';
+import { ConstituentaID, IConstituenta, IRSForm } from '@/models/rsform';
 import { createMockConstituenta, matchConstituenta } from '@/models/rsformAPI';
 import { extractGlobals } from '@/models/rslangAPI';
 import { prefixes } from '@/utils/constants';
@@ -19,7 +19,7 @@ import { describeCstMatchMode, describeCstSource, labelCstMatchMode, labelCstSou
 
 interface ConstituentsSearchProps {
   schema?: IRSForm;
-  activeID?: number;
+  activeID?: ConstituentaID;
   activeExpression: string;
   setFiltered: React.Dispatch<React.SetStateAction<IConstituenta[]>>;
 }
diff --git a/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ConstituentsTable.tsx b/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ConstituentsTable.tsx
index dce9dc30..b64bb003 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ConstituentsTable.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ConstituentsTable.tsx
@@ -7,15 +7,15 @@ import ConstituentaBadge from '@/components/ConstituentaBadge';
 import DataTable, { createColumnHelper, IConditionalStyle, VisibilityState } from '@/components/DataTable';
 import { useConceptTheme } from '@/context/ThemeContext';
 import useWindowSize from '@/hooks/useWindowSize';
-import { IConstituenta } from '@/models/rsform';
+import { ConstituentaID, IConstituenta } from '@/models/rsform';
 import { isMockCst } from '@/models/rsformAPI';
 import { prefixes } from '@/utils/constants';
 import { describeConstituenta } from '@/utils/labels';
 
 interface ConstituentsTableProps {
   items: IConstituenta[];
-  activeID?: number;
-  onOpenEdit: (cstID: number) => void;
+  activeID?: ConstituentaID;
+  onOpenEdit: (cstID: ConstituentaID) => void;
   denseThreshold?: number;
   maxHeight: string;
 }
diff --git a/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ViewConstituents.tsx b/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ViewConstituents.tsx
index 96a786b6..d0e02fc1 100644
--- a/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ViewConstituents.tsx
+++ b/rsconcept/frontend/src/pages/RSFormPage/ViewConstituents/ViewConstituents.tsx
@@ -5,7 +5,7 @@ import { motion } from 'framer-motion';
 import { useMemo, useState } from 'react';
 
 import { useConceptTheme } from '@/context/ThemeContext';
-import { IConstituenta, IRSForm } from '@/models/rsform';
+import { ConstituentaID, IConstituenta, IRSForm } from '@/models/rsform';
 import { animateSideView } from '@/styling/animations';
 
 import ConstituentsSearch from './ConstituentsSearch';
@@ -21,9 +21,9 @@ interface ViewConstituentsProps {
   expression: string;
   isBottom?: boolean;
   baseHeight: string;
-  activeID?: number;
+  activeID?: ConstituentaID;
   schema?: IRSForm;
-  onOpenEdit: (cstID: number) => void;
+  onOpenEdit: (cstID: ConstituentaID) => void;
 }
 
 function ViewConstituents({ expression, schema, activeID, isBottom, baseHeight, onOpenEdit }: ViewConstituentsProps) {