Text that is output from a program.
The UNIX prompt at which commands can be entered.
Data to be entered by the user.
Content that may or must be replaced by the user.
A response to a user event.
A program or system constant.
The name of a function or subroutine.
A value or symbolic reference to a value.
The classification of a value.
The name of a variable.
The name of a software program.
The name of an executable program or other software command.
A software environment variable.
The name of a file.