accident
alarm
alert
attention
ballpoint
beware
bug
caution
circle
concept
damage
danger
dangerous
doodle
drawn
element
emphasis
error
exclaim
exclamation
exclamation mark
failure
felt
found
graphic
hand
handwritten
hazard
help
highlighter
icon
illustration
important
info
information
internet
list
mark
message
not
page
point
pointer
precaution
priority
problem
red
risk
scrawl
scribble
security
shape
sign
significant
sketch
sticker
stop
symbol
token
underline
warning
web