Epson Apex 20020 - Manual (Page 230)

Current directory
The directory you are logged onto and working in. Also known
as the default directory.
Cursor
The highlighted marker that shows your position on the screen.
Cylinders
See Tracks.
Data
Information such as text or graphics stored or processed by a
computer.
Data diskette
A formatted diskette on which you store data files (as opposed
to program files).
Data length
The number of bits per character in serial transmissions.
Default
Values or settings that take effect when the computer is turned
on or reset. A default value stays in effect unless you override it
temporarily by changing a setting or you reset the default value
itself.
Default directory
The directory where MS-DOS executes your next command,
unless you tell it to do otherwise (by including a pathname
with the command). Also known as the current or working
directory.