When to use window in Korean
Korean: 창문[ chang-mun ]

When to use it
A window is an opening in a wall, door, or vehicle that lets in light and air. In Korean, 창문 means the window in a home, classroom, or other place. You can use this word when talking about opening, closing, cleaning, or looking out of a window.
Example sentences
집 창문을 열어요.
I open the window at home.
교실 창문이 커요.
The classroom window is big.
창문 밖에 비가 와요.
It is raining outside the window.
추워요. 창문을 닫아 주세요.
It's cold. Please close the window.
이 방은 창문이 두 개 있어요.
This room has two windows.
기차 창문으로 산이 보여요.
I can see mountains through the train window.