A-CAD COMMAND "LINE"

LINE :
Line Command is a basic command that is often used to form one or several lines which are connected to each other.
Command :
Command: line
Specify first point:

or
Command: l
Specify first point:
Note : Here "l" is the shortcut key for line command

The above diagram helps to know that whats line , here we also had two things ,Coordinates and Cursor