GLOSSARY
XEROX 4635 LASER PRINTING SYSTEM INSTALLATION PLANNING GUIDE
GLOSSARY-23
verification
Process of testing a system's ability to meet performance
objectives by running programs in a simulated environment.
virtual page
Page area selected by a forms designer for printing.
warning message
System-issued message indicating that an error has been
encountered even though the program has not failed.
weight
Characteristic of type determined by how light or dark it appears.
window
In the PC UI, the graphic display object that allows you to select
options and enter information.
write
To record data in memory or an external storage medium.
write protection
Data protection feature implemented on magnetic media (for
example floppy disk, 9-track tape) to prevent stored data from
being modified, written over, or erased.
x axis
Horizontal axis on a forms grid.
xdot
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).
xerographic engine
Component of a printer that develops an image, transfers it to
paper, and fuses it for output as hardcopy.
x height
Height of lowercase letters without their ascenders or
descenders (height of letter “x”).
y axis
Vertical axis on a forms grid.
