Flutter Basics:

What is pubspec file? The answer to this question is it's a file that specifies the dependencies that the project requires with their version, fonts and images also . It also specifies other requirements on developer packages such as testing or mocking packages. And note that they are written in YAML.

What is firebase_auth package? While developing I recently discovered this and to tell in brief its firebase authentication which provides backend services, and easy-to-use SDKs.It supports authentication using passwords, mobile phone numbers, Google IDs, Facebook id etc. And note that SDK stands for the software development kit.

What is firebase storage? Its cloud storage for firebase lets you upload and share user-generated content such as images and videos which allows you to build rich media content in your app. Your data is stored in google cloud storage buckets.

What is a cloud fire store? It's a NoSQL document database that lets you easily store, sync and query data for your mobile and web application at a global scale