In addition to the attributes and operations compartments shown in a Class element, Enterprise Architect also supports other compartments that can optionally be displayed.
To set the visibility of the various compartments, see Set Feature Visibility.
The Tag compartment lists all Tagged Values for an element as entered in the Tagged Values window.
The responsibility compartment shows a list of responsibilities as entered on the Requirements tab of the element Properties dialog.
The constraint compartment shows a list of element constraints as entered in the Constraint tab of the element Properties dialog.
The testing compartment lists all of the tests associated with an element as listed in the Testing window (select the View | Testing menu option).
The maintenance compartment lists all of the defects, changes, issues and tasks associated with an element, as listed in the Maintenance window (select the View | Maintenance menu option).