alert
app
application
attention
badge
button
camera
caution
do
flash
graphic
hazard
icon
illegal
information
label
lens
mark
message
mobile
no
notice
phone
photo
photograph
photographic
pictogram
picture
placard
poster
prevent
prohibited
recording
red
reflection
risk
round
rule
safety
shoot
shooting
sign
signboard
smartphone
sticker
stop
take
warn
warning