A hallway is a narrow passage inside a building that connects different rooms. In a school, hallways link classrooms, bathrooms, and the cafeteria, bustling with students between periods. In a home, a hallway might connect bedrooms to the living room and kitchen. Hospitals have long hallways so doctors and nurses can move quickly between patient rooms.

Hallways serve a simple but essential purpose: they let people move through a building without walking through every room. Imagine if you had to pass through your parents' bedroom just to get from your room to the kitchen! Without hallways, buildings would be mazes of connected rooms.

You might also hear people say corridor, which means the same thing. In some older or formal buildings, a very large hallway might be called a hall on its own, especially if it's grand enough to serve as a gathering space. But most hallways are simple, practical spaces designed to get you efficiently from one place to another.