Model-View-Controller (MVC) is a software architectural pattern commonly used in designing user interfaces for software applications. It separates the concerns of an application into three interconnected components: the Model, the View, and the Controller.

Let's break down each component:

1. Model:

   • The Model represents the application's data and business logic. It encapsulates the data and behavior of the application domain, responding to requests for information, and notifying observers about changes in state.
   • In a typical application, the Model interacts with a database or other data source, manages data manipulation and validation, and performs any necessary calculations or business logic.

2. View:

   • The View represents the presentation layer of the application. It displays the data from the Model to the user and handles user interactions such as mouse clicks, key presses, and touch gestures.
   • Views are responsible for rendering the user interface elements, including buttons, text fields, images, and other visual components.
   • In modern web applications, views are often implemented using HTML, CSS, and JavaScript for dynamic and interactive user interfaces.

3. Controller:

   • The Controller acts as an intermediary between the Model and the View. It receives input from the user via the View, processes it (e.g., validates input, performs necessary actions), and updates the Model accordingly.
   • Controllers interpret user actions, trigger changes in the Model, and update the View to reflect those changes. They typically contain application logic related to handling user requests and coordinating interactions between the Model and the View.
   • In web applications, controllers are often implemented as server-side scripts or components that handle incoming HTTP requests, invoke appropriate methods on the Model, and render the appropriate View in response.

MVC Summary:

• Model: Represents the data and business logic.
• View: Presents the data to the user and handles user interactions.
• Controller: Intermediary between the Model and View, processes user input, and updates the Model and View accordingly.

In essence, MVC helps in creating modular, maintainable, and scalable software by separating the concerns of an application into distinct components. It promotes code reusability, testability, and flexibility in software development.

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