DRAW prepares the
graphics window for drawing by doing the following:
- Clears the screen.
- Sets turtle 0 to be the active turtle.
- Homes the turtle.
- Shows the turtle.
- Puts the pen down.
- Sets the pen color to color 0.
- Sets the background color to white.
- Sets the turtle's pen width to 1.
- Resets the turtle font to the system font.
- Sets to WRAP mode.