AT&T 6300 Programmer's Manual page 688

Glossary
current
directory
current
line
current
point
current
program
current
viewport
cursor
debug
6
The directory you are working on. You may
change the current directory by the CHDIR
command. Just after formatting a disk the
ROOT directory is the current directory.
The line you are working on, or the line you
have just entered, or the line where an error
has occurred.
See "last-referenced point."
The program currently in memory.
The viewport you are working on. To change
viewport you must use a VIEW statement.
A movable marker that is used to indicate a
position on the screen. There are three types of
cursor (see the LOCATE statement in the
Reference section). The shape and blinkrate of
the overwrite and user cursors are
programmable. The user cursor is not visible at
initialization.
To locate and correct mistakes in a program.