access
admittance
admitted
allowed
area
background
banner
blocked
blue
button
closed
danger
denied
enter
entrance
entry
expired
forbid
forbidden
icon
illustration
label
late
no
not
permission
post
private
prohibited
property
red
restrict
restricted
risk
road
roadsign
sign
signpost
sky
sorry
stand
stay
stop
symbol
traffic
tree
trespassers
trespassing
unauthorized
warning
zone