The extent to which the constructs of linguistic theory can be taken to have a basis in the human mind, i.e. to somehow be reflected in human cognitive structures. Many linguists are divided on this i [..]

A set of rules or structures that determine the different actions or assignments of meaning in a specified context. Example: role of "court" in tennis and baseball in determining whether to stop or continue activity in a game or to gain or lose points if a ball passes a boundary.

The role of some class of events in behavior, especially in psycholinguistics (as when grammatical transformations are demonstrated as something that speakers do with sentences).