The edited copies of reality and are used as substitutes for real thing.
2.
It is the reproduction of a real thing in a small scale , or large or
exact size
3.
An arrangement of a real device or associated devices, displayed in such
a way that representation of reality is created.
4.
Any individual or item considered typical of a group, class or whole.
5.
The representation of a manageable real event in which the learner is an
active participant engaged in learning a behavior or in applying
previously acquired skills or knowlege.