がいよう
overview; summary
概要を説明してください。
Please explain the overview.
This is a set phrase — memorize it as a whole unit rather than analyzing each part. N2 vocabulary — this word appears in formal writing and news articles.
From the JLP Quiz question bank — the word in the form it is actually tested in.
「概要」の意味はどれですか？
Answer: 物事の大体の内容・あらまし
