본 것

what I saw

→ 보다
phrase Very common #580
what I saw Used to refer to something from among the things someone has seen or experienced.
KO: 저는 지금까지 본 것 중에서 이 영화가 제일 좋았어요.
EN: Of everything I've seen so far, this movie is the best.

자네가 본 것 말해

Just tell me what you saw.

— 레베카 (1940)

다라비에서 살면서 본 것 네가 가진 내겐 아무것도 없어

I have nothing of what you saw while living in Darabi, nothing of what you have.

— 걸리 보이 (2019)