" 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. Plastic Military Model Domain logic adds meaning to raw data e. g. "

"" Supermodels are celebrities who may appear in advertisements endorsing products, and often parlay their fame into acting careers. "Runway modeling," also known as "catwalk modeling," is displaying fashion, and is generally performed by "fashion models. " "Glamour modeling" usually includes elements of nudity or eroticism, while "nude modeling" describes any kind of modeling that is performed without clothes. Art school modeling (usually figure drawing or sculpture) involves posing for students of art. Some models specialize in having a particular portion of their body photographed, usually for advertisement purposes; thus "leg models" advertise hosiery, "hand models" advertise nail polish or gloves, et cetera. For notable models, see supermodel and glamour photography. Some people who are better known for other accomplishments have also worked as professional models: 1908 Ford Model T advertisement Ford Model T used for giving tourist rides at Greenfield Village 1925 Ford “New Model� T Tudor Sedan The suspension components of a Ford Model T For the blues musician, see T-Model Ford. Amt Plastic Model The Model T (colloquially known as the Tin Lizzie and the Flivver) was an automobile produced by Henry Ford's Ford Motor Company from 1908 through 1928. The first production Model T was built on September 27, 1908 at the Piquette Plant in Detroit, Michigan. "