| activity diagram | can represent |  |
| has definition A UML diagram showing sequences of activities, typically for multiple threads | |
| has advantage it can represent concurrent activities | |
| has part fork | |
| has part join | |
| has part rendezvous | |
| is a subtopic of 5.1 - What is UML? | |
| is usually associated with several classes | |
| is a kind of UML diagram | |
| shows how systems behave internally | |
| shows the partition of activities among the existing classes using swimlanes | |
| UML diagram | describes aspects of the architectural model | |
| see also Unified Modelling Language | |
| diagram | has advantages it conveys or summarizes complex concepts or mechanisms more easily than other techniques | |
has problems - can be hard for users to interact with or interpret
- not usable by blind people
- it can be expensive to program diagram drawing software
| |
| should have a label if its meaning is not obvious, using a caption or pop-up label that appears when the user moves the mouse over it | |
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