a type of workflow diagram that describes the user activities and their sequential flow
someone who uses the system (has hands)
titles in activity diagrams that represent who does each activity
the terminating point of an activity diagram
a true/false tests to see whether a transition can fire
data going to the system in a system sequence diagram
the vertical line under an object on a sequence diagram to show the passage of time for the object
used to repeat a section of the system
extra explanation on a system sequence diagram
represents an entire automated system in a systems sequence diagram
data returning from the system in a system sequence diagram
beginning point for an activity diagram
a rectangular area on an activity diagram representing the activities of a single agent
a symbol in an activity diagram to control the splitting or uniting of sequential paths; also used for loops
system sequence diagram
a diagram showing the sequence of messages between an external actor and the system during a use case or scenario
the movement of an object from one state to another state
use case diagram
a diagram to show the various user roles and how those roles use the system
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