ASP.NET MVC is a framework that focuses on convention over the configuration. The folder structure is very essential for every framework to see:

1) App_Data: this contains the database files like local instance SQL server express database files.

2) Content: it contains the static content that is used for the web application building like CSS, images, etc.

3) Controller: it contains the controller classes that are used in ASP.NET MVC architecture.

4) Models: it consists of the model classes that are used to interact with the content and go in sync with the MVC architecture of the ASP.NET.

5) Scripts: JavaScript files that include the AJAX library and jQuery script files.

6) Views: it contains the frontend view that will be seen after the model is rendered.