inserted figure; inset diagram
Refers to a figure, diagram, or illustration placed within a text or document.
論文に挿入図を追加して、説明をわかりやすくした。
I added an inserted figure to the paper to make the explanation clearer.
Compound of 挿入 (そうにゅう, 'insertion') + 図 (ず, 'figure, diagram').