arrow
assistance
background
building
color
danger
direction
directional
door
emergency
equipment
escape
evacuation
exit
fire
flee
green
guidance
guide
human
icon
information
input
instruction
leading
leaving
man
notice
office
path
place
protection
right
route
run
running
safety
security
sign
signboard
symbol
toward
trail
urban
urgency
vibrant
wall
warning
white