英文關鍵字
abstract
alarm
alert
animated
animation
attention
background
beware
button
caution
concept
dangerous
design
element
error
exclamation
failure
flat
graphic
icon
illustration
important
info
information
interjection
isolated
looped
mark
motion
pink
point
problem
punctuation
risk
security
sign
solution
stop
support
symbol
typography
vector
video
warning
white