Widget Toolkit: GUI Widget, Windowing System, Window Manager, Graphical User Interface, Application Programming Interface

Motif (widget toolkit): Graphical User Interface, Widget Toolkit, X Window System, Unix, POSIX, Workstation.

Toolbar: Graphical User Interface, Computer Monitor, GUI Widget

Gnome Wave Cleaner: Digital Audio Editor, Graphical User Interface, Widget Toolkit

Windowing System: Graphical User Interface, Desktop Environment, Window Manager, Programmer, Typeface, Managers, X System