The DECwindows Motif Toolkit, hereinafter called the Toolkit, is a set of application development tools and run-time routines you can use to create and manage a DECwindows application user interface. The widgets and support routines provided by Digital have the prefix DXm. A set of run-time routines to manipulate the widgets, called X Toolkit intrinsics. The intrinsics routines have the prefix Xt. The Toolkit provides a set of user interface objects called widgets .
Widgets are the building blocks for the user interface of an application.
Because the Toolkit implements widgets with a consistent appearance and behavior, users can move between DECwindows applications without having to learn how to use a new interface. From a programmer's perspective, widgets are windows that are logically connected to application functions. A Toolkit widget is made up of a window packaged with input and output capabilities. Some widgets display information, such as text or graphics. Others are merely containers for other widgets.