arrow
background
board
building
color
danger
door
doorway
emergency
escape
evacuation
exit
fire
floor
go
green
hanging
house
icon
information
isolated
label
leading
left
light
logo
moving
neon
nobody
office
pathway
plane
protection
right
room
route
running
safe
safety
school
security
services
sign
signage
symbol
wall
warning
way
white