activity
A specification of executable behavior as the coordinated sequential and concurrent execution of subordinate units, including nested activities and ultimately individual actions connected by flows from outputs of one node to inputs of another. Activities can be invoked by actions and as constituents of other behaviors, such as state machine transitions. Activities are shown as activity diagrams.
See also state machine.
Semantics
An activity is a behavioral specification that describes the sequential and concurrent steps of a computational procedure. Workflows, algorithms, and computer code are examples of procedures that are often modeled as activities. Activities focus on the process of computation rather than the objects performing ...
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