alert
attention
beware
box
bubble
buble
careful
caution
chat
chatroom
content
danger
dialog
digital
email
emphasis
error
exclamation
failure
icon
illustration
important
info
information
line
malware
mark
message
note
outline
phishing
point
popup
precaution
priority
problem
red
risk
sign
solution
spam
speechbubble
stop
symbol
text
urgent
virus
warning