n.
1.(computer science) the technique of representing the real world by a computer program
2.the act of imitating the behavior of some situation or some process by means of something suitably analogous (especially for the purpose of study or personnel training)
3.representation of something (sometimes on a smaller scale)
4.the act of giving a false appearance
Idiom of the Day
wrapped up in
to be thinking about or interested in only one thing
My friend is wrapped up in his school project today.