Activity dialog box
Activities
An activity is the specification of parameterized behavior as the coordinated sequencing of subordinate units whose individual elements are actions.
The "Activity" dialog box contains four tabs - "Properties", "Notes", "Tagged values" and "Stereotypes". For information on these standard dialog box tabs, please see "Standard dialog box tabs".
The "Properties" tab of the "Activity" dialog box
The "Properties" tab of the "Activity" dialog box is used to enter and modify values for an activity.

The "Properties" screen of the "Activity" dialog box
Key:
· "Name": This is the name of the activity.
· "Is reentrant": This indicates if the activity can be invoked while it is still being executed by a previous invocation.
· "Is read only": This indicates that the activity must not make any changes outside itself or to another object.