abstract
arrow
background
building
case
close up
concept
danger
directional
door
doors
doorway
emergency
escape
evacuation
exit
figure
fire
flee
floor
frame
green
guidance
help
illuminated
indoors
information
inside
isolated
label
leading
light
nobody
protection
rescue
route
run
running
safe
safety
security
services
sign
symbol
urgency
wall
warning
white