1) COLOR/GRAYSCALE FIGURES <br>
Figures that are meant to appear in color, or shades of <br>
black/gray. Such figures may include photographs, <br>
illustrations, multicolor graphs, and flowcharts. <br>
2) LINE ART FIGURES <br>
Figures that are composed of only black lines and shapes. <br>
These figures should have no shades or half-tones of gray, <br>
only black and white.