This UML Use Case Diagram for Online Shopping depicts a sample software behavior diagram. This diagram shows the available processes involved in online shopping. It is based on the activities of the system's shopping admin, customers(users), and sellers(artists). From this use case diagram, you can see the procedures and the responsibilities that each role has. A use case diagram is a visual tool that helps you analyze the relationships between personas and use cases. This powerful visual framework helps your team quickly illustrate system functionality. Learn more details from this diagram, or try to apply it to fields like online sales .