Model is the business logic contained in the project in the form of a class. A Model class contains properties and other variables which can be utilized in generating a VIEW with all the CRUD related information for objects contained. Database connections can also be established in MODEL with database first approach of creating a model. It will create ORM to work with Database as a CLASS.

model is nothing but just class

Many people get confuse about that what is actually the Model in MVC framework. I tell you this is just a class nothing more than that. You need to write the classes altogether only to make it a Model which in-turns works with the controller to display the view as per required input.Model used by : Users - What data will they be interacting with? and MVC - Input controls -Display formatting -Validations