Chapter 5 Building Dynamic Diagrams

Activity diagram objects

You can create the following objects in an activity diagram:

Object	Tool	Symbol	Description
Start			Starting point of the activities represented in the activity diagram. See Starts (OOM).
Activity			Invocation of an action. See Activities (OOM).
Composite activity	N/A		Complex activity decomposed to be further detailed. See Activities (OOM).
Object node			A specific state of an activity. See Object Nodes (OOM).
Organization unit			A company, a system, a service, an organization, a user or a role. See Organization Units (OOM).
Flow			Path of the control flow between activities. See Flows (OOM).
Decision			Decision the control flow has to take when several flow paths are possible. See Decisions (OOM).
Synchronization			Enables the splitting or synchronization of control between two or more concurrent actions. See Synchronizations (OOM).
End			Termination point of the activities described in the activity diagram. See Ends (OOM).

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