Model in MVC

There are many peoples misunderstood the concept of model.

Model are suppose to represents the entire system for which that data is useful.

A good MVC system shall have small controller compared to a Fat Model.

More useful reading here:

http://blog.astrumfutura.com/archives/373-The-M-in-MVC-Why-Models-are-Misunderstood-and-Unappreciated.html