The active structure aspect (called information in ArchiMate 2.0) represents the structural concepts (the business actors, application components, and devices that display actual behavior; i.e., the “subjects” of activity).
The behavior aspect represents the behavior (processes, functions, events, and services) performed by the actors. Behavioral concepts are assigned to structural concepts, to show who or what displays the behavior.
The passive structure aspect represents the objects on which behavior is performed. These are usually information objects in the business layer and data objects in the application layer, but they may also be used to represent physical objects.
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