What is a concept?

Photo source: Wikimedia Commons, Jose Ferraz de Almeida Junior

What is a concept? Here is my definition:

A concept is a general representation

I believe that generality is the essential aspect of a concept. For example, think of the concept 'grass'. The concept of 'grass' refers to a wide range of things. It refers to all the different types of grass and the entirety of everything grass stands for. In this regard, the concept of 'grass' is general.

I also believe that concepts are representations. For example, the concept 'fork' is not an actual fork, but instead it is a representation of a fork. In this regard, a concept represents all of the real examples of that concept.

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