This Online Shopping UML Activity Diagram describes the flow of activity through a series of actions. This is a UML activity diagram for the online shopping process, in which online customers can browse all items and add them to their shopping carts before checking out after signing in. This Online Shopping Management System's users are sellers and shoppers, which are critical in creating its activity diagram. It will be much smoother to build the system's interactions and activities if you first determine who the system's users are. The Online Shopping UML Activity Diagram for online shopping systems includes symbols such as actors and arrows to help you understand the workflow of the online shopping management system.