abstract
alert
arrow
assistance
background
banner
building
closeup
danger
design
direction
directional
do not enter
door
doorways
electric
emergency
emergency exit
escape
escape route
evacuate
evacuation
exit icon
exit only
exit sign
gate
graphic
guidance
guide
help
hotel
illuminated
indoors
information
instruction
leaving
light
precaution
red
risk
safety
security
sign
signpost
symbol
trouble
urgency
warning
way
white