The 'Y' Axis is the vertical axis, and has a value from 1 to 25. The compiler's interface, and the commands, use the structure of designating Y, X ( though sometimes they will be ordered X, Y for certain commands.) 'X' means the Horizontal axis, from left to right, which value may range from 1 (Far left) to 80 (far right).
First, A word about the plane notation for the graphics.
