> [!abstract] How a [[Computer system]] views or portrays the artifacts the system stores and manipulate on behalf of the user All systems will have a model, but not all have a deliberate model, or in other words the model may grow organically by the developers attempt to extend the system to facilitate more needs and wants from the [[Computer system]]s [[Stakeholder]]s [[Domain Driven Design]] makes the model a first world citizen and emphasize working on the model ## Examples - An e-commence website will have a basket, payment method and a receipt in its model ## Notes - A system can contain many models