Chat Application Use Case Diagram

This Use Case Diagram is a graphic depiction of the interactions among the elements of Chat Application. It represents the methodology used in system analysis to identify, clarify, and organize system requirements of Chat Application. The main actors of Chat Application in this Use Case Diagram are: Super Admin, System User, User, Groups, who perform the different type of use cases such as Manage Chat, Manage User Profile, Manage Chat History, Manage Group Chat, Manage Notification, Manage Delete Chat, Manage Smiley Chat, Manage Users and Full Chat Application Operations. Major elements of the UML use case diagram of Chat Application are shown on the picture below.

The relationships between and among the actors and the use cases of Chat Application:

• Super Admin Entity : Use cases of Super Admin are Manage Chat, Manage User Profile, Manage Chat History, Manage Group Chat, Manage Notification, Manage Delete Chat, Manage Smiley Chat, Manage Users and Full Chat Application Operations
• System User Entity : Use cases of System User are Manage Chat, Manage User Profile, Manage Chat History, Manage Group Chat, Manage Notification, Manage Delete Chat, Manage Smiley Chat
• User Entity : Use cases of User are Search Users, Send Chat Request, Do Chats, Check Char History
• Groups Entity : Use cases of Groups are Search Groups, Search Chat History, Request for Group Chats, Create Group Chats, Add Members

Use Case Diagram of Chat Application :