Desktop publishing
Alternatively referred to as DTP, desktop publishing was first created by Paul Brainard at Aldus after creating and releasing the Aldus Pagemaker software program in 1985 for the Macintosh. Desktop publishing is the use of a computer to produce documents for publication. Generally, this document is a high quality document containing text and graphics formatted on a single page. For example desktop publishing is needed for creating such printed material as book covers, brochure, fliers, etc.
Also see: Leader, PostScript, Publisher, Word