Elements in activity diagrams

Question

Brief explanation of all elements in activity diagrams.

Answer 1

i) Activities: the activity indicates an action which performed in system.

ii) Transitions: Transitions are represented through open arrow heads. Transitions are employed to point to the flow among elements in diagram.

iii) Decision Points: The logical branching is described by decision points.

iv) States: A state is shown in the rounded rectangle. States are signified to mention the mile stones of processing in activity diagrams.