### Hierarchy view

The Hierarchy view shows the hierarchy of an element (attribute type or object class).

Here is what the Hierarchy view looks like:

Toolbar

The toolbar of the Hierarchy view contains the following actions:

- - Show the Type Hierarchy : Shows the type hierarchy.
- - Show the Supertype Hierarchy : Shows the supertype hierarchy.
- - Show the Subtype Hierarchy : Shows the subtype hierarchy.
- - Link with Editor : Links the view with the editor.

Menu

The menu of the Hierarchy view contains the following actions:

- - Show the Type Hierarchy : Shows the type hierarchy.
- - Show the Supertype Hierarchy : Shows the supertype hierarchy.
- - Show the Subtype Hierarchy : Shows the subtype hierarchy.
- - Link with Editor : Links the view with the editor.
- Preferences : Displays the preferences dialog for the Hierarchy view.

Icons

The following icons can appear in the Hierarchy view:

Icon | Description
--- | ---
| Attribute type (operational)
| Attribute type (user)
| Object class (abstract)
| Object class (auxiliary)
| Object class (structural)
| Attribute type (current selection)
| Object class (current selection)