" Model-View-Controller (MVC) is a software architecture that separates an application's data model, user interface, and control logic into three distinct components so that modifications to one component can be made with minimal impact to the others. MVC is often thought of as a software design pattern . However, MVC encompasses more of the architecture of an application than is typical for a design pattern. Hence the term architectural pattern may be useful (Buschmann, et al 1996), or perhaps an aggregate design pattern. Operation In broad terms, constructing an application using an MVC architecture involves defining three classes of modules. Model: This is the domain-specific representation of the information on which the application operates. The model is another name for the domain layer. Havasu Home Model Domain logic adds meaning to raw data e. g. "

" & Dengel, A. & Bergmann, R. & Nick, M. & Roth-Berghofer, Th. (Eds. ) Professional knowledge management; LNCS 3782 Springer Verlag; 2005. Models as people artist model — in art school modeling, a person who poses for purposes of art. Furniture Home Model model — person whose occupation is to display clothing (eg. a "fashion model") or other personal items of artistic or aesthetic value, and who is often physically attractive; a model who attains celebrity status or is otherwise widely known is said to be a "supermodel". "