Threshold
01
문지방, 현관 문지방
the horizontal part at the base of a door frame that you step over when entering or exiting a room
02
문지방, 입구
the floor or ground of an entrance to a house, room, or any other building
03
문턱, 한계
the starting point for a new state or experience
04
문턱, 한계
the smallest detectable sensation
05
문턱, 경계
a region marking a boundary



























