(rail transport) selective door operation

world / a metaphorical world (how one lives one's life) / society, the times / a realm, a circle, a sphere / (Buddhism) the four inner realms of 須弥山 (Shumisen) / (Buddhism) realm governed by a buddha

to make good progress; to go smoothly / (often in negative form) to make little progress; a waste of time

(idiomatic) make no progress, remain unsettled

Alternative spelling of スイングドア

peephole (hole in a door through which to look)

the Old World

world peace

the whole world

(literally) a new world