Activity Diagram Vs Sequence Diagram. Open the word processing package. The main difference between activity diagram and sequence diagram is that the activity diagram represents the flow of activities one after the other in a system while the sequence diagram represents the sequence of messages flowing from one object to another.
** activity diagrams are good at showing the general sequence of actions for several objects and use cases. Activity diagrams describe activities which involve concurrency and synchronization, which are a variation of state diagrams that focuses on the flow of actions and events. Both diagrams pertain to behavioral diagrams, the major difference is listed below, the activity diagram depicts the control stream from one movement to another.
