1 simple black and white pen and ink drawing of one subject, no color. No scenery.
1 drawing of 1 subject. Main subject colored, simple scenery, no background colors
1 fully-detailed drawing, up to 5 subjects, full color, more detailed scenery.
The addition of one color to one portion of the illustration.
This is if you want to add another subject (another character, main subject, etc) to your drawing.