Describe the importance of an activity diagram.

1. Describe the importance of an activity diagram.

This is the diagram used in a business system to show the workflow involved, activities happening as well as the completed actions. In a company comprising of several departments e.g. the medical department, accounting department, and even the human resource department, usually each department has its own peculiar privileges to the system, for instance the medical department can only be allowed to access the screens related to their activities such as medical records while the human resource department will be allowed to view only the screens which are relevant to them too, thus these activity diagrams assist in showing the relationship between particular activities with their relevant and related departments so that during coding, the coders may refer to them to implement the discrepancies accordingly. Designers too can be guided by these activity diagrams.

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