alarm
arrow
building
case
danger
direction
directional
door
doorway
emergency
equipment
escape
evacuation
exit
extinguisher
figure
fire
floor
green
guidance
health
help
icon
illustration
indoor
information
interior
isolated
label
light
modern
office
protection
red
rescue
route
run
safe
safety
security
sign
signboard
symbol
urgency
wall
warning
way
white