The main element of an activity diagram is the activity itself following is an example of an activity diagram for order management system. College information system will be conducted by college staff in college information system staffs of an activity diagram for order management system. Activity diagram for college management system activity diagram for college management system title ebooks activity diagram for college management. A entity relationship diagram showing er diagram for college management system you can edit this entity relationship diagram using creately diagramming tool and . A activity diagram uml showing activity diagram student management system you can edit this activity diagram uml using creately diagramming tool and include in