Most generally, a representation is a performing of selected functions or roles of another physical or abstract object/person/organization in predefined circumstances and it is based on the consensus of the group/community involved. For example, an ambassador or a sport team may represent their nation. Graphical figures or written symbolic text may represent some abstract ideas or physical objects.

In mathematics, the same concepts and their interrelations can be represented using different notations.

In artificial intelligence, computer science, operations research, and systems science, the meaning of the term is similar to simulation, but simulation does not require a consensus and refers rather to the imitation of the behavior of the simulated object, whereas a representation refers rather to the expression of opinions or symbolic behaviors on the behalf of the represented subject.

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Nonpublic project #325655 by Haku
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