The view is used to render the model in a certain format. The controller reacts to user input and interacts with the objects in the data model. The controller accepts the input, validates it if necessary, and then sends it to the model.
The Model-View-Controller (MVC) architectural pattern divides an application into three logical components: model, view, and controller. Each of these components is designed to handle specific parts of application development.
A controller acts as a link between models and views, processing HTTP requests and generating web pages. All of the requests that the controller receives are passed on to models and views, which handle the data. It is the heart of your web application's requests.
Both the model and the view are affected by the controller. It regulates the flow of data into the model object and updates the view whenever the data changes.
The parent of all the views on a storyboard is the View Controller. There is at least one ViewController in every application. It makes switching between different elements of the user interface easier. The parent class of all ViewControllers is the UIViewController.
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