Interaction Overview Diagram. An interaction overview diagram is a variation of an activity diagram. Processing of message stream in the system to portray the basic association of the articles.
The difference lies in the fact that interaction overview diagrams nodes represent the occurrences of interactions in a system or piece of software. Interaction diagrams can include sequence communication interaction overview and timing diagrams. The other notation elements for interaction overview diagrams are the same as for activity and sequence diagrams.
However interaction overview diagrams introduce two new elements.
These include initial final decision merge fork and join nodes. Interaction overview diagrams visualize the cooperation between other interaction diagrams to illustrate a control flow serving an encompassing purpose. As interaction overview diagrams are a variant of activity diagrams most of the diagram notation is the same as is the process of constructing the diagram. Interaction overview diagrams focus on the overview of the flow of control where the nodes are interactions sd or interaction use ref.
