Architecting and designing : UML 2.0 Lite : UML models : UML class diagrams : Add immediately associated classes
  
Add immediately associated classes
In a class diagram you can add associated classes to a particular symbol by selecting it and choosing Edit, Add Immediately Associated Classes. You can also right‑ click the selected symbol and choose Add Immediately Associated Classes. The classes are drawn on the diagram along with their appropriate line symbols.
See also
UML class diagrams