Illustration
An illustration is a decoration, interpretation or visual explanation of a text, concept or process, designed for integration in published media, such as posters, flyers, magazines, books, teaching materials, animations, video games and films.
Illustration
I don't think there's an illustrator who's as good as a Titian or a Rembrandt... but then, Rembrandt was a bit of an illustrator on the quiet, you know?
Quentin Blake, Quentin Blake: interview, Time Out editors, 18 December 2006.