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  • This is confusing to me. An activity diagram doesn't show states. The start and end node are just there to make it easy to find where the activity begins and to indicate that the activity has terminated. They don't indicate states at all. A state diagram would show states. Commented Oct 28, 2019 at 16:21
  • @ThomasOwens It's also confusing to me , then why they are called initial/ final state ? Commented Oct 28, 2019 at 17:03
  • They aren't - see Christophe's answer - they are called "initial node" and "final node" in the context of an activity diagram. Commented Oct 28, 2019 at 18:11
  • See,uml-diagrams.org/activity-diagrams-controls.html Commented Nov 23, 2020 at 9:58