15 points. COLLABORATION OR OTHER DIAGRAM. You can use either: collaboration, sequence, activity, or swim-lane diagram, whichever is appropriate, to show EVERY scenario. For example, below we show 2 scenarios for Finance Module: One for Accounts Payable (A/P) and One for Accounts Receivable (A/R). This will show the sequence of actions done by various entities (actors) to complete a task loop such as accounts receivable, room reservation, etc.