Illustration :: 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..
Illustration :: Illustration (n.) That which illustrates; a comparison or example intended to make clear or apprehensible, or to remove obscurity..
Illustration :: Illustration (n.) A picture designed to decorate a volume or elucidate a literary work.
Illustrative :: Illustrative (a.) Tending or designed to illustrate, exemplify, or elucidate..