= a hinged barrier at the entrance to a town, building, or room; usually made out of wood, but occasionally also out of metal; provides or prevents access; sometimes associated with vulnerability
door
Buildings
= one part of a door that consist of two elements
leaf (of a double door)
People
= person who lacks the committment and ability to resist temptations, as a door gives easy access to intruders
door > weak-willed person
Open
= something that provides or prevents access as if it were a door