diff --git a/README.md b/README.md
index 4a260d8..4404a6f 100644
--- a/README.md
+++ b/README.md
@@ -1,39 +1,28 @@
-<!--
-This README describes the package. If you publish this package to pub.dev,
-this README's contents appear on the landing page for your package.
+# fitlien_common
 
-For information about how to write a good package README, see the guide for
-[writing package pages](https://dart.dev/tools/pub/writing-package-pages).
+This package contains common classes and constants used in the Fitlien ecosystem.
 
-For general information about developing packages, see the Dart guide for
-[creating packages](https://dart.dev/guides/libraries/create-packages)
-and the Flutter guide for
-[developing packages and plugins](https://flutter.dev/to/develop-packages).
--->
+## InvitationStatus
 
-TODO: Put a short description of the package here that helps potential users
-know whether this package might be useful for them.
+`InvitationStatus` is an enumeration of the possible statuses of an invitation.
 
-## Features
+### Values
 
-TODO: List what your package can do. Maybe include images, gifs, or videos.
+- `sent`: The invitation has been sent to the user.
+- `accepted`: The user has accepted the invitation.
+- `rejected`: The user has rejected the invitation.
+- `canceled`: The invitation has been canceled by the sender.
 
-## Getting started
+## CollectionNames
 
-TODO: List prerequisites and provide or point to information on how to
-start using the package.
+`CollectionNames` is a class containing constants for the names of the collections used in the Fitlien ecosystem.
 
-## Usage
+### Constants
 
-TODO: Include short and useful examples for package users. Add longer examples
-to `/example` folder.
-
-```dart
-const like = 'sample';
-```
-
-## Additional information
-
-TODO: Tell users more about the package: where to find more information, how to
-contribute to the package, how to file issues, what response they can expect
-from the package authors, and more.
+- `users`: The collection containing all users.
+- `trainerProfiles`: The collection of trainers profiles
+- `gyms`: The collection of gyms
+- `invitations`: The collection of invitations
+- `termsConditions`: The collection of terms and conditions
+- `configurations`: The collection of configurations
+- `memberships`: The collection of memberships
diff --git a/lib/fit_lien_package.dart b/lib/fit_lien_package.dart
deleted file mode 100644
index 7b70686..0000000
--- a/lib/fit_lien_package.dart
+++ /dev/null
@@ -1,6 +0,0 @@
-class FitLienStatus {
-  static const String active = 'ACTIVE';
-  static const String pending = 'PENDING';
-  static const String rejected = 'REJECTED';
-  static const String accepted = 'ACCEPTED';
-}
diff --git a/lib/fitlien_common.dart b/lib/fitlien_common.dart
new file mode 100644
index 0000000..5d1e6c9
--- /dev/null
+++ b/lib/fitlien_common.dart
@@ -0,0 +1,16 @@
+class InvitationStatus {
+  static const String active = 'ACTIVE';
+  static const String pending = 'PENDING';
+  static const String rejected = 'REJECTED';
+  static const String accepted = 'ACCEPTED';
+}
+
+class CollectionNames {
+  static const String users = 'users';
+  static const String trainerProfiles = 'trainer_profiles';
+  static const String gyms = 'gyms';
+  static const String invitations = 'invitations';
+  static const String termsConditions = 'terms_and_conditions';
+  static const String configurations = 'configurations';
+  static const String memberships = 'memberships';
+}
diff --git a/pubspec.yaml b/pubspec.yaml
index 3c59eb3..868230d 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
-name: fit_lien_package
-description: "A new Flutter package project."
+name: fitlien_common
+description: "Library containing common classes and constants used in the Fitlien ecosystem."
 version: 0.0.1
 homepage:
 
@@ -15,6 +15,7 @@ dev_dependencies:
   flutter_test:
     sdk: flutter
   flutter_lints: ^5.0.0
+  test: ^1.25.15
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec
diff --git a/test/fit_lien_package_test.dart b/test/fit_lien_package_test.dart
deleted file mode 100644
index 2eb81e3..0000000
--- a/test/fit_lien_package_test.dart
+++ /dev/null
@@ -1,12 +0,0 @@
-import 'package:flutter_test/flutter_test.dart';
-
-import 'package:fit_lien_package/fit_lien_package.dart';
-
-void main() {
-  test('adds one to input values', () {
-    final calculator = Calculator();
-    expect(calculator.addOne(2), 3);
-    expect(calculator.addOne(-7), -6);
-    expect(calculator.addOne(0), 1);
-  });
-}
diff --git a/test/fitlien_common_test.dart b/test/fitlien_common_test.dart
new file mode 100644
index 0000000..10d67ee
--- /dev/null
+++ b/test/fitlien_common_test.dart
@@ -0,0 +1,8 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fitlien_common/fitlien_common.dart'; // Update with actual package name
+
+void main() {
+  test('Test CollectionNames constants', () {
+    expect(CollectionNames.users, 'users');
+  });
+}