Concerns: Architecture strategy and tactics, motivation
Purpose: Designing, deciding, informing
The requirements realization viewpoint allows the designer to model the realization of requirements by the core elements, such as business actors, business services, business processes, application services, application components, etc. Typically, the requirements result from the goal refinement viewpoint.
In addition, this viewpoint can be used to refine requirements into more detailed requirements. The aggregation relationship is used for this purpose.