A business service represents an explicitly defined exposed business behavior.A business service:
•Exposes the functionality of business roles or collaborations to their environment. This functionality is accessed through one or more business interfaces.
•Is realized by one or more business processes, business functions, or business interactions that are performed by the business roles or business collaborations, respectively.
•Can access business objects.
This element can be visualized on the following ArchiMate Viewpoints: