When to use top and bottom in Korean
Korean: 위아래[ wi-a-rae ]

When to use it
The word (위아래) means "top and bottom" or "up and down." You use it when talking about the upper and lower parts of something, like a box, window, shelf, or clothes. It can also describe movement, such as an elevator going up and down.
Example sentences
창문 위아래를 닦아요.
I clean the top and bottom of the window.
칠판 위아래에 글자가 있어요.
There is writing at the top and bottom of the board.
이 상자는 위아래가 같아요.
This box is the same on the top and bottom.
옷 위아래를 같이 샀어요.
I bought the top and bottom clothes together.
엘리베이터가 위아래로 움직여요.
The elevator moves up and down.
사진 위아래가 바뀌었어요.
The photo is upside down.