英文關鍵字
abstract
arrow
background
banner
bright
building
color
danger
design
direct
direction
door
doorway
electric
electricity
element
emergency
enter
escape
evacuation
exit
fire
glow
glowing
graphic
green
help
icon
illuminated
illustration
information
isolated
lamp
led
light
line
modern
neon
night
object
retro
right
route
safety
shape
show
sign
signage
style
symbol
wall
way