A
gate or
gateway is a point of entry to a space enclosed by
walls, or a moderately sized opening in some sort of
fence. Gates may prevent or control the entry or exit of individuals, or they may be merely decorative. Other terms for gate include
yett and
port. The word derives from the old Norse "gata", meaning
road or , and originally referred to the gap in the wall or fence, rather than the
barrier which closed it. The moving part or parts of a gateway may be called "doors", but used for the whole point of entry
door usually refers to the entry to a building, or an internal opening between different rooms.