diff --git a/models/user.ts b/models/user.ts
deleted file mode 100644
index 33d1b02..0000000
--- a/models/user.ts
+++ /dev/null
@@ -1,50 +0,0 @@
-export type IWord = {
-    name: string,
-    pronounciation: {
-        text: string,
-        audio: string, // URL for the audio file
-    },
-    similarWords: Array<IWord>,
-    gramaticalDetails: Array<{
-        type: 'NOUN' | 'PRONOUN' | 'ADJECTIVE' | 'VERB' | 'ADVERB' | 'PREPOSITION' | 'CONJUNCTION' | 'INTERJECTION',
-        description: string,
-        examples: Array<string>,
-    }>
-}
-
-export type IShelf = {
-    name: string,
-    description: string,
-    viewType: 'PUBLIC' | 'PRIVATE' | 'FRIENDS' | 'FOLLOWERS',
-    isArchived: boolean,
-    addedWords: Array<{
-        word: IWord,
-        notes: Array<string>,
-        isFavourite: boolean,
-        nextRevisionDateTime: Date,
-        revisionHistory : Array<{
-            day: Date,
-            wasRecallSuccessful: boolean,  
-        }>
-    }>
-}
-
-export type ICategory = {
-    name: string,
-    icon: string,
-    shelves: Array<IShelf>,
-    isArchived: boolean,
-}
-
-export type IUser = {
-    // For Auth purposes
-    _id: string,
-    name: string,
-    email: string,
-    password: string,
-    isVerified: boolean,
-    otp: number,
-
-    // Other records
-    categories: Array<ICategory>
-}
\ No newline at end of file
diff --git a/src/models/category.ts b/src/models/category.ts
new file mode 100644
index 0000000..2f52384
--- /dev/null
+++ b/src/models/category.ts
@@ -0,0 +1,9 @@
+import { Shelf } from "./shelf";
+
+export interface Category {
+    _id: string,
+    name: string,
+    icon: string,
+    shelves: Array<Shelf>,
+    isArchived: boolean,
+}
\ No newline at end of file
diff --git a/src/models/library.ts b/src/models/library.ts
new file mode 100644
index 0000000..93a97ae
--- /dev/null
+++ b/src/models/library.ts
@@ -0,0 +1,16 @@
+import { LanguageType } from "./variables";
+import { Word } from "./word";
+
+export interface Library {
+    _id: string,
+    languageType: LanguageType,
+    isArchived: boolean,
+    allWords: Array<{
+        word: Word,
+        isArchived: boolean,
+        wordStats: {
+            favouriteCount: number, // Total users who liked this word
+            addCount: number, // Total users have added this word to their shelf
+        }
+    }>,
+}
\ No newline at end of file
diff --git a/src/models/shelf.ts b/src/models/shelf.ts
new file mode 100644
index 0000000..b4f51a3
--- /dev/null
+++ b/src/models/shelf.ts
@@ -0,0 +1,20 @@
+import { viewPermissionType } from "./variables";
+import { Word } from "./word";
+
+export interface Shelf {
+    _id: string,
+    name: string,
+    description: string,
+    viewType: viewPermissionType,
+    isArchived: boolean,
+    addedWords: Array<{
+        word: Word,
+        notes: Array<string>,
+        isFavourite: boolean,
+        nextRevisionDateTime: Date,
+        revisionHistory : Array<{
+            day: Date,
+            wasRecallSuccessful: boolean,  
+        }>
+    }>
+}
diff --git a/src/models/user.ts b/src/models/user.ts
new file mode 100644
index 0000000..ffaff53
--- /dev/null
+++ b/src/models/user.ts
@@ -0,0 +1,11 @@
+import { Category } from "./category";
+
+export type IUser = {
+    _id: string,
+    name: string,
+    email: string,
+    password: string,
+    isVerified: boolean,
+    otp: number,
+    categories: Array<Category>,
+}
\ No newline at end of file
diff --git a/src/models/variables.ts b/src/models/variables.ts
new file mode 100644
index 0000000..6f0d24e
--- /dev/null
+++ b/src/models/variables.ts
@@ -0,0 +1,3 @@
+export type grammarType = 'NOUN' | 'PRONOUN' | 'ADJECTIVE' | 'VERB' | 'ADVERB' | 'PREPOSITION' | 'CONJUNCTION' | 'INTERJECTION';
+export type viewPermissionType = 'PUBLIC' | 'PRIVATE' | 'FRIENDS' | 'FOLLOWERS';
+export type LanguageType = 'ENGLISH' | 'KANNADA' | 'HINDI' | 'TAMIL' | 'TELUGU';
diff --git a/src/models/word.ts b/src/models/word.ts
new file mode 100644
index 0000000..7a3fe89
--- /dev/null
+++ b/src/models/word.ts
@@ -0,0 +1,16 @@
+import { grammarType } from "./variables";
+
+export interface Word {
+    _id: string,
+    name: string,
+    pronounciation: {
+        text: string,
+        audio: string,
+    },
+    similarWords: Array<Word>,
+    grammaticalDetails: Array<{
+        type: grammarType,
+        description: string,
+        examples: Array<string>,
+    }>
+}
\ No newline at end of file
diff --git a/src/user-profile/routes.ts b/src/user-profile/routes.ts
index 35eb022..aa11d38 100644
--- a/src/user-profile/routes.ts
+++ b/src/user-profile/routes.ts
@@ -1,6 +1,6 @@
 import express from 'express';
 import passport from 'passport';
-import { IUser } from '../../models/user';
+import { IUser } from '../models/user';
 
 export const userProfileRoutes = express.Router();