Rectify logic issues in the text
Most client programs communicate with the server via the Xlib client library. Most clients use libraries such as Xaw, Motif, GTK+, or Qt which in turn use Xlib for interacting with the server.
Most client programs communicate with the server via the Xlib client library. In particular, most clients use libraries such as Xaw, Motif, GTK+, or Qt which in turn use Xlib for interacting with the server.