a flat, movable barrier of wood, glass or metal that can be opened or close and forms the entrance to a building, room, or vehicle
Please close the door. It’s very cold outside!

아래로
My friend lives down the road.

arriving, happening or beginning after the expected time
It's never too late to say you're sorry.

outside or at a distance
Billy runs out of the house.

the first day of the week, the day following Saturday, kept for rest and worship among Christians
Today is sunday, so we don’t have to go to school.

at the present time
today, it has more than 18,000 sponsors.