advice
alarm
alert
art
attention
beware
black
button
caution
company
concept
creative
danger
dangerous
design
error
exclamation
glyph
graphic
hazard
icon
idea
important
information
isolated
line
mark
message
object
point
risk
safety
security
shape
sign
signal
silhouette
simple
stop
symbol
template
triangle
view
warn
web
white
work