This is the 15142nd most frequent Korean word.
방문입니다
"It is a visit" or "It's a door."
In this sentence, '방문' is used to refer to a door, and the phrase states identification.
방문입니다.
It is a door.
Here, '방문' is used as a verb 'to visit,' indicating an action the subject undertakes.
오늘 우리는 친구 집을 방문입니다.
Today, we are visiting a friend's house.
In this context, '방문' refers to an object, the door itself, and the sentence describes its state or acquisition.