英文關鍵字
abstract
amplifier
background
black
closeup
communication
control
counting
dark
design
digit
digital
display
effect
electric
electronic
element
font
gadget
green
indicator
info
information
led
level
light
monitor
motion
move
movement
moving
number
numeral
numerical
object
old
panel
pixel
professional
retro
scoreboard
screen
sign
studio
symbol
technology
texture
type
volume