stereotype

A conventional, formulaic, and often oversimplified or exaggerated conception, opinion, or image of (a person or a group of people).

(psychology) A person who is regarded as embodying or conforming to a set image or type.

(printing) A metal printing plate cast from a matrix moulded from a raised printing surface.

(software engineering) An extensibility mechanism of the Unified Modeling Language, allowing a new element to be derived from an existing one with added specializations.