Doors

A door is a hinged or otherwise movable barrier that allows ingress (entry) and egress (exit) into and out of an enclosure. A doorway or portal is the opening created in the wall. The primary function of a door is to provide security by controlling access to the doorway (portal). It is traditionally a panel that fits into the doorway of a building, room, or vehicle. Doors are typically made of a material that is appropriate for the task at hand. They are commonly attached by hinges, but can also move via slides or counterbalancing.