A favorite; something or someone one particularly likes. Often used as 'お気に入り' in daily speech to show preference or fondness.
そのカフェは私の気に入りの場所だ。
That café is my favorite place.
この服は去年買ったお気に入りの一着です。
This outfit is my favorite piece that I bought last year.
彼は先生の気に入りだったので、よく褒められていた。
He was the teacher's favorite, so he was often praised.