Terminology

The XView toolkit and the Xt (OLIT and Motif) toolkits use the following terminology:

XView is based directly on Xlib, whereas Motif is based on the Intrinsics (Xt) toolkit and the Intrinsics toolkit is based on Xlib.

Because of this fundamental difference, the basic library functions to initialize the environment and create, modify and destroy graphical objects, are different, as shown in the following examples:

Functions that deal with event handling callbacks, and internationalization features, for example, get more complicated. For these features, simple one-to-one correspondence does not exist.