reference model

reference model, noun

abstract framework for understanding entities and relationships between them in a particular problem space or domain

Remark 1: A reference model is independent of the technologies, protocols and products, and other concrete implementation details.

Remark 2: A reference model is often used for the comparison of different approaches in a particular problem space or domain.

Remark 3: A reference model is usually a commonly agreed document, such as an International Standard or industry standard.