at; on

on

exit

conference room

job interview

library

office; office room

cafeteria

third

reception; front desk

ground floor; ground level 

floor; story; level

coat check; wardrobe; coat rack

building

to hang

behind

in

cafeteria; canteen

conference room

reading room

left

next to

emergency exit

room, space

right

sign

secretariat; registry; office

to take place; occur

stairs; steps; staircase

door

above; over

under, below

basement floor 

in front of

wall

We live on the second floor. (American English)/We live on the first floor. (British English)

Where can I find...?

between