Drawing
  and Intuition text, 240
  changing part of drawing area, 594
  clearing memory, 592
  colors, 584
  in complement mode, 585
  lines, 588
  memory for, 582
  modes, 585
  moving source to destination, 595
  pens, 584
  pixels, 587
  shapes, 590
  turning off outline, 590
  with Image structure, 225, 227