1. (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. (n.) That which illustrates; a comparison or example intended to make clear or apprehensible, or to remove obscurity.

3. (n.) A picture designed to decorate a volume or elucidate a literary work.

abstract abstraction acrylic painting allegorization alphabet altarpiece art block print blueprint case case history case in point charactering characterization chart choreography citation clarification collage color print coloring conventional representation copy cracking cross reference cyclorama dance notation daub decipherment decoding delineation demonstration demythologization depiction depictment diagram diptych drama drawing editing elucidation emblem emendation encaustic cerography encaustic painting engraving enlightenment euhemerism example exegesis exemplar exemplification explanation explication exponent exposition expounding figuration figure finger painting flower painting for instance fresco fresco painting genre painting gouache grisaille hieroglyphic icon iconography ideogram illumination image imagery imaging impasto instance item letter light likeness limning logogram logograph map miniature monochrome montage mosaic mural mural painting musical notation notation object lesson oil painting painting panorama particular photograph pictogram picture picturization plan portraiture portrayal poster painting prefigurement presentment print printing problem projection quotation rationale realization reason reference relevant instance rendering rendition representation representative reproduction sample sampling schema score script simplification solution specimen stained glass window stencil still life syllabary symbol tablature tableau tapestry the brush triptych type typical example unlocking wall painting wash wash drawing writing