In addition to rooms, all interior spaces that can be directly accessed, such as corridors (prefix C), vestibules (Prefix C, same as corridors), stairwells (prefix S), and elevator shafts (Prefix E) shall be numbered in a manner consistent with standard room spaces, if doors or walls separate different areas of space, ...

What is this word corridor?

1a : a passageway (as in a hotel or office building) into which compartments or rooms open. b : a place or position in which especially political power is wielded through discussion and deal-making was excluded from the corridors of power after losing the election. 2 : a usually narrow passageway or route: such as.

What does reappear mean?

intransitive verb. : to come back into view or show up for a second or subsequent time : to appear again Darting down the corridor …, she reappeared moments later carrying glasses in filigreed silver holders …—