# GUI Layout

The harness displays the opened tool windows as a set of tabbed panes within a single frame or desktop.

- Multiple tool windows are managed from a single location.
- The small footprint of the desktop minimizes obstruction of tool windows from other applications.
- If multiple tool windows or multiple applications are open, tabs provide visual organization.

Tabs at the bottom of each pane enable you to choose the active pane and to display it on the top of the stack.

The desktop contains both the desktop menus and the tool menus from the active pane. See Menus for a description of the two types of menus that the harness provides.

See Setting Preferences for detailed information about setting display styles and functional options.

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