An object or target of attention, study, worship, taxation, etc.; the subject or scope of something.
この研究の対象は都市部に住む高齢者だ。
The subject of this study is elderly people living in urban areas.
その法律の対象は全ての企業に及ぶ。
That law applies to all companies.
子ども向けの絵本が対象年齢に合っているか確認した。
I checked whether the picture book for children matches the target age range.