Use classes to visualize system relationship

Show the view of structure at specific time

Depict the dependencies between packages

Show the internal structure of a class

Illustrate how components to form software system

Show how different parts are connected in a software system

Depict custom stereotypes as packages

Show the users’ interactions with software system

Define organizational and computational process

Visualize the behaviour of system

Show objects interactions organized in time sequence

Depict the interactions between objects in form of sequenced message

Visualize the behaviour of objects in a specific time

Show the sequence of activities, same as activity diagram