Glossary

TXC total xerographic convergence

UCS Universal Character Set. Printer feature that permits the use of a variety of character

UCSB Universal Character Set Buffer UI user interface

UNIX Text Editor Editing window on a UNIX workstation print server, used to code PDL commands in a JSL.

utility program General-purpose program that performs activities, such as initializing a disk or sorting, which are not specific to any application.

validation Process of testing a system's ability to meet performance objectives by measuring and monitoring its performance in a live environment.

value constants Arithmetic values, such as decimal, hexadecimal, octal or character values.

variable text Text of changing nature, such as various names and addresses combined with a form letter to make a complete document.

VM virtual memory

virtual page Page area selected by a forms designer for printing. vpos vertical positioning

VS virtual storage WAN wide area network

weight Characteristic of type determined by how light or dark it appears. x axis Horizontal axis on a forms grid.

x dot Unit of measurement representing a fraction of an inch. It may also be referred to as a picture element (pixel) or spot, for example, 1/600 spots per inch (spi).

x height Height of lowercase letters without their ascenders or descenders (height of letter “x”). See also ascender; descender.

XCSC Xerox Customer Support Center

XDGI Xerox DCF and GDDM Interface

XDSS Xerox Documentation and Software Services

XICS Xerox Integrated Composition System

XJCF Xerox Job Control Facility

XJDC Xerox Job Descriptor Compiler. Used by the DP 2000 Series EPS workstation to compile JSLs.

Using LCDS Print Description Language

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Xerox FreeFlow manual