잘 보이게

so it can be seen clearly

→ 잘
phrase Common #6,023
so it can be seen clearly 잘 보이다 can also mean “to make a good impression on someone,” depending on context.
KO: 글씨가 잘 보이게 크게 써 주세요.
EN: Please write it large so the letters are easy to see.

좀 더 잘 보이게 가까이 와 봐요

Come a little closer so I can see you better.

— 크레이지 리치 아시안 (2018)