A hallway is a functional part of every house and building. Almost every house and building has at least one hallway. These are used for the people to have easier access to the different rooms of the house or building. Some hallways are short because they may only have a few rooms off of them whereas others may have long hallways because they have many rooms off of them.
The term hallway is sometimes shortened to hall. In a house a hallway may have a restroom and a few bedrooms off of this room. In a school, a hallway may lead to several classroom. Sometimes, a hallway may be designated for a specific grade level. Most hallways get a lot of foot traffic because they are used so frequently compared to the other parts of the house or building.