The sequencing can be parallel or synchronized, or split and recomposed on the basis
of conditions.
Activity diagram [UML] : A diagram that depicts behavior associated with activities using input/
output and control fl ow. It is the visualization of an activity.
Activity edge [UML] : An activity edge is an abstract class for directed connections between
two activity nodes. We distinguish between object fl ow edges and control fl ow edges.
Synonym: Edge.
Activity fi nal node [UML] : The activity fi nal node terminates the entire activity as soon as a
single fl ow arrives at the node.
Activity parameter node [UML] : An activity parameter node is an object node for inputs and
outputs to activities.
Activity partition [UML] : An activity partition is a kind of activity group for identifying actions
that have some characteristic in common.
Actor [UML] : An actor is a role that interacts with the system. This role can be played by a user
or any other system. An actor is external to the system.
Actuator [SYSMOD] : An actuator is a particular external system that serves another system to
infl uence its environment.
Pages:
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510