(Model View Controller) An architecture for building applications that separate the data (model) from the user interface (view) and the processing (controller). Providing a programming interface between the data and the processing has been a primary concept in information technology for decades. MVC is widely used in Web-based application frameworks (see Struts).

In practice, MVC views and controllers are often combined into a single object because they are closely related. For example, the controller code validates a request for data and causes it to be returned in a view. View-controller objects are tied to only one model; however, a model can have many view-controller objects associated with it.

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