v. 25B6; verb
the photographs that illustrate the book : DECORATE, adorn, ornament, accompany; add pictures/drawings to, provide artwork for.
this can be illustrated through a brief example : EXPLAIN, elucidate, clarify, make plain, demonstrate, show, emphasize; informal get across/over.
his wit was illustrated by his remark to Lucy : EXEMPLIFY, show, demonstrate, display, represent.