Following is an Use Case diagram for online shopping system. The diagram illustrates the various actors involved along with the various use cases present within the system. Through this diagram one can get a clear understanding of the overall operation inside a online shopping system.Here in this diagram, the system is represented using a large square box. The actors involved or interacting with the system are represented using stick figures. The use cases are represented using oval shapes. A straight line is used for association between an actor and the respective use use.