access
alert
allowed
ban
border
caution
circular
danger
design
enter
entrance
entry
forbid
forbidden
graphic
human
icon
illustration
information
isolated
law
male
man
no
not
pedestrian
people
person
pictogram
prohibit
prohibited
prohibition
red
restrict
restricted
restriction
round
rule
safety
security
sign
signal
silhouette
stop
symbol
symbolic
warn
warning
white