User's Manual

119
Defragmentation
The process in which data that belongs together is gathered from
different clusters and stored contiguously so that it can be accessed
faster.
Desktop
Term for the main work space of Windows on which you find icons, the
start menu, the task bar and the system tray.
Dialog box
A Windows pop up asking the user to select options and then to click
OK.
DLL
Short for "Dynamic Link Library". DLLs contain functions which
programs can use. These functions are loaded only when needed to
reduce memory usage.
Drag and Drop
A system initially developed by apple which Windows now uses as
well. Drag and drop allows you to copy text or objects from one
application to another by dragging the text/object from one application
window and dropping into the other.
Driver
A program used by the operating system to communicate with the
hardware installed on your computer.