Functional areas are the logical layers of an installation and can be commercial, service, and technical layers. These layers are supported by an Order and Service Management order type or by an external order management system.
When configuring functional areas, you specify whether the functional area supports actions. If it does, you indicate which conceptual model entities support the type of actions defined by the functional area and whether these actions are multi-instance. For example, the Service functional area supports actions, but only on customer facing services, resource facing services, and resources. The Technical functional area supports actions also, but those actions can be associated only to resource facing services and resources.
Functional areas are associated with a list of action codes. Each action code, such as Remove, Modify, Add, and so forth, represents by an action that can be performed on a conceptual model entity. When a new action of the type defined by the functional area is created, all of the action codes defined in the functional area are added to the new action.
See Design Studio Concepts for more information about functional areas.
Realizing Conceptual Model Entities into Application Entities