noun, noun or participle which takes 'suru', transitive verb
explanatory diagram; illustration
Refers to a diagram or illustration that explains something visually. Often used in manuals, textbooks, and presentations. Can also be used as a suru-verb meaning 'to illustrate' or 'to explain with a diagram'.
この図解を見れば、仕組みがすぐにわかります。
If you look at this diagram, you'll understand the mechanism right away.
彼
He explained the new system by illustrating it.