User Guide

Glossary
275
convert Change a file from one format to another. For example, you might
convert a file from a bitmap (.bmp) to a JPEG (.jpg) to reduce the file
size.
cropping Removing unwanted image areas.
database Electronic filing system that provides fast access to stored data. The
ACD Systems Database contains two parts: a cached thumbnail file
and an information file. The cached thumbnail file contains small
copies (thumbnails) of the images on your system. The information
file contains details about the files on your system, such as descrip-
tions, dates, authors, notes, keywords, and categories.
database date Date that you apply to the properties of a file and save in the ACD
Systems Database.
DDE (Dynamic Data
Exchange)
Multiple-process communication system used by Macintosh and
Windows operating systems. With DDE, two active applications can
share data.
decode Reading (or viewing) a file format.
descriptions Free-form text associated with a file. Prior to version 6.0, ACDSee
stored descriptions in a hidden file named descript.ion. ACDSee
generated one descript.ion file for each folder containing files with
descriptions. ACDSee 6.0 file descriptions are called captions.
device profile A set list of options for a specific digital camera, scanner, or other
removable device that helps to automate the process of getting
photos from the device.
dithering Adjusting the appearance of an image's colors and shades by vary-
ing the size and shape of pixels.
dock Attaching a toolbar, window, pane, panel, or dialog box to different
screen areas.
DPI (dots per inch) Measurement of an image's display resolution. For example, 92 DPI
means 92 dots horizontally and 92 dots vertically, which equals
8,464 dots per square inch. More dots per inch result in higher reso-
lution and image quality.