diff --git a/client/src/app/editor/models/dynamicExtendedCellValidation.ts b/client/src/app/editor/models/dynamicExtendedCellValidation.ts
index 4342eb4..fe4c552 100644
--- a/client/src/app/editor/models/dynamicExtendedCellValidation.ts
+++ b/client/src/app/editor/models/dynamicExtendedCellValidation.ts
@@ -1,3 +1,7 @@
+/**
+ * Model for the dynamic cell validation in the editor
+ * (sending whole row to the backend service and recieving data for the cell dropdown)
+ */
 export interface DynamicExtendedCellValidation {
   DISPLAY_INDEX: number
   DISPLAY_TYPE: string
diff --git a/client/src/app/editor/models/edit-record/edit-record-events.ts b/client/src/app/editor/models/edit-record/edit-record-events.ts
index 0eedbb9..7dcd50e 100644
--- a/client/src/app/editor/models/edit-record/edit-record-events.ts
+++ b/client/src/app/editor/models/edit-record/edit-record-events.ts
@@ -1,8 +1,14 @@
+/**
+ * Edit record modal - input has been focused event
+ */
 export interface EditRecordInputFocusedEvent {
   event: any
   colName: number
 }
 
+/**
+ * Edit record modal - dropdown has been changed event
+ */
 export interface EditRecordDropdownChangeEvent {
   colName: string
   col: number
diff --git a/client/src/app/editor/models/editor-restrictions.model.ts b/client/src/app/editor/models/editor-restrictions.model.ts
index 6fe828b..f16f1d1 100644
--- a/client/src/app/editor/models/editor-restrictions.model.ts
+++ b/client/src/app/editor/models/editor-restrictions.model.ts
@@ -1,3 +1,6 @@
+/**
+ * Editor restrictions model (based on the licencing)
+ */
 export interface EditorRestrictions {
   restrictEditRecord?: boolean // Feature is locked but edit/add record buttons are visible so when user clicks he gets the `locked feature modal`
   restrictAddRecord?: boolean // Same as editRecord, but for addRecord
diff --git a/client/src/app/editor/utils/date.utils.ts b/client/src/app/editor/utils/date.utils.ts
index d738201..d5a916e 100644
--- a/client/src/app/editor/utils/date.utils.ts
+++ b/client/src/app/editor/utils/date.utils.ts
@@ -1,3 +1,6 @@
+/**
+ * Converting date object to the UTC time string
+ */
 export const dateToUtcTime = (date: Date) => {
   let timeStr = ('0' + date.getUTCHours()).slice(-2) + ':'
   timeStr = timeStr + ('0' + date.getUTCMinutes()).slice(-2) + ':'
@@ -5,6 +8,9 @@ export const dateToUtcTime = (date: Date) => {
   return timeStr
 }
 
+/**
+ * Converts date object to the time string
+ */
 export const dateToTime = (date: Date) => {
   let timeStr = ('0' + date.getHours()).slice(-2) + ':'
   timeStr = timeStr + ('0' + date.getMinutes()).slice(-2) + ':'
@@ -12,6 +18,9 @@ export const dateToTime = (date: Date) => {
   return timeStr
 }
 
+/**
+ * Converts date object to the YYYY-MM-DD
+ */
 export const dateFormat = (date: Date) => {
   return (
     date.getFullYear() +
diff --git a/client/src/app/editor/utils/grid.utils.ts b/client/src/app/editor/utils/grid.utils.ts
index 30b4ad2..b681713 100644
--- a/client/src/app/editor/utils/grid.utils.ts
+++ b/client/src/app/editor/utils/grid.utils.ts
@@ -1,9 +1,17 @@
 import { Col } from 'src/app/shared/dc-validator/models/col.model'
 
+/**
+ * Converts excel date serial number to JS date
+ */
 export const excelDateToJSDate = (serial: number) => {
   return new Date(Math.round((serial - 25569) * 86400 * 1000))
 }
 
+/**
+ * Parsing table columns for the HOT in editor
+ * Converts array of objects into array of strings, every string is column name (key)
+ * @param data array of objects (columns data)
+ */
 export const parseTableColumns = (data: Col[]): string[] => {
   const columns: string[] = []
 
@@ -16,6 +24,12 @@ export const parseTableColumns = (data: Col[]): string[] => {
   return columns
 }
 
+/**
+ * Captures headers that are not found in the current table but is found in the uploaded file data
+ * @param data
+ * @param headers
+ * @returns string array of missing headers
+ */
 export const getMissingHeaders = (data: any, headers: any) => {
   const missingHeaders: string[] = []
   const remainingHeaders: string[] = []
diff --git a/client/src/app/editor/utils/renderers.utils.ts b/client/src/app/editor/utils/renderers.utils.ts
index 95bbc96..a5468b3 100644
--- a/client/src/app/editor/utils/renderers.utils.ts
+++ b/client/src/app/editor/utils/renderers.utils.ts
@@ -1,3 +1,7 @@
+/**
+ * Custom renderer for HOT cell
+ * Used to show error icon
+ */
 export const errorRenderer = (
   instance: any,
   td: any,
@@ -14,6 +18,10 @@ export const errorRenderer = (
   return td
 }
 
+/**
+ * Custom renderer for HOT cell
+ * Used to revert cell back to original state (no spinner, no error)
+ */
 export const noSpinnerRenderer = (
   instance: any,
   td: any,
@@ -28,7 +36,11 @@ export const noSpinnerRenderer = (
   return td
 }
 
-// Spinner shown whilst waiting for SAS to respond
+/**
+ * Custom renderer for HOT cell
+ * Used to show loading spinner in the cell
+ * (Spinner shown whilst waiting for SAS to respond)
+ */
 export const spinnerRenderer = (
   instance: any,
   td: any,