Domain model

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A domain model can be thought as a conceptual model of a system. A domain model will tell about the various entities involved and their relationships. The domain model is created to understand the key concept of the system and to familiarize with the vocabulary of the system.

An important benefit of a domain model is to get everyone on the same page. The model provides structural view that can be complemented by the dynamic views provided by Use Case models.

This is typically used at a low level in the software development cycle.