" View: This renders the model into a form suitable for interaction, typically a user interface element. MVC is often seen in web apps: the view is the html page and the code which gathers dynamic data for the page . Controller: This responds to events, typically user actions, and invokes changes on the model (but *not* the view). Many applications use a persistent storage mechanism (such as a database) to store data. MVC does not specifically mention this data access layer. It's common to think of an application as having three main layers: presentation (UI), domain,and data access. In MVC, the presentation layer is split into controller and view. Black Model Pic The most important separation is between presentation and domain. The V/C split less so. "

" Models in Computer Science are largely organizational in that they show how data, a cooperation between agents, the process of creating a response to an external stimulus, an algorithm, or similar is structured. The emphasis of organization that is apparent in many models of computer science appears to be a consequence of either of the following: (1) complexity issues need to be dealt with such that a functional cohesion actually can be evaluated. (2) a domain of individuals or universe of discourse has to be established and the individuals within that domain are supposed to be capable of being distinguished from each other by means of their condition in that organization or particular handles available to a user of that model. III. The original of a model may itself be physical or conceptual. It may be so, independently of the consistency of the model. The model in the arts for example can be understood as an individual that functions as a proxy for certain aspects of a concept such as man, men, woman, child, etc. Black Hip Hop Model or as one of these under particular conditions. The original temporally or causally may be a predecessor of the original or a successor of it depending on the case at hand. "