Appendix 7b
Fork
-a horizontal line representing where two parallel activities begin
Activity
-a rounded triangle representing a behavior carried out while in a particular state
Merge
-also a diamond symbol representing where two arrows come together but only one leaves
Join
-also a horizontal line representing where two activities come together but only one leaves
Branch
a diamond symbol representing a choice that must be made
Swimlane
columns representing different organizational units of the system
Activity diagram
shows the conditional logic for the sequence of system activities needed to accomplish a business process
Activity Diagrams
•show the conditional logic for the sequence of system activities needed to accomplish a business function -Individual activity may be manual or automated