P
Page proof - Initial output to proofing printer. The best stage for identifying and correcting mistakes, typos and other problems.
Pagination - the numbering of pages in a book.
Pantone Matching System - a registered name for an ink color matching system, usually abbreviated PMS.
Perfect binding -An inexpensive bookbinding technique in which the pages are glued rather than sewn to the cover and used primarily for paperbacks, small manuals, phone books, etc.
Pixel - The smallest distinct unit of a bitmapped image displayed on a screen.
PMS - Pantone Matching System. A commonly used system for identifying specific ink colors.
Point - In measuring a paper's caliper, one point equals a thousandth of an inch. In typography, it is the smallest unit of measurement used principally for designating type size, one point approximating 1/72 of an inch and 12 points equaling one pica.
PostScript - a page description language developed by Adobe Systems. Widely supported by both hardware and software vendors it represents the current 'standard' in the market.
Process colors - See four color process.
Proofreading - To read and mark typesetting corrections in written matter.
Proofreading marks - a standard set of signs and symbols used in copy preparation and to indicate corrections on proofs. Marks are placed both in the text and in the margin with a line connecting them.