![]() ![]() Once you list down all the objects, actors, lifelines, and messages you get a complete visual representation of how a system works.Sequence diagrams show the order of interaction in a system by moving down the lifeline with each message.Messages are notations that show the information being sent between objects.This involves thinking of all the steps an actor must complete for a given task. Now start visualizing the interactions actors have with objects. ![]() Moving down a lifeline means more time is passing. Create lifelines that represent the existence of an object or actor over time.In a sequence diagram, actors are represented by stick figures and objects are represented by rectangles. ![]()
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