Possible Definitions:
1. Illustration (n.) The act of illustrating; the act of making clear and distinct; education; also, the state of being illustrated, or of being made clear and distinct.
2. Illustration (n.) That which illustrates; a comparison or example intended to make clear or apprehensible, or to remove obscurity.
3. Illustration (n.) A picture designed to decorate a volume or elucidate a literary work.
