Difference between entrance and door in Korean
입구·문

입구entrance
입구 means the place where you go into a building, room, or area. In English, it is usually "entrance." You can use it for a house, school, store, park, or station. It often comes with a place name, like "house entrance" or "school entrance."

문door
A door is the part you open and close to go into or out of a room, house, or building. In Korean, 문 means a door in places like a home, school, shop, or train. You will often use it with simple actions like open, close, knock, or stand in front of the door.
The difference
entrance (입구) and door (문) are nearby Korean vocabulary items learners often meet together. Use “entrance” when 입구 means the place where you go into a building, room, or area. In English, it is usually "entrance." You can use it for a house, school,… Use “door” when A door is the part you open and close to go into or out of a room, house, or building. In Korean, 문 means a door in places like a home, s…