alert
announcement
attention
background
banner
billboard
brick
concept
conflict
demonstration
design
electric
empty
frame
glow
glowing
icon
illuminated
information
led
letter
light
manifestation
message
neon
night
no
not
prohibition
protest
restricted
restriction
rules
say no
shining
show
sign
signboard
stop
stop it
stop sign
style
symbol
template
text
wall