英文關鍵字
abstract
address
arrow
attachment
background
backward
black
blue
brown
business
button
colour
combination
communicate
communication
computer
concept
contact
correspondence
data
design
document
drawing
element
envelope
flat
forward
graphic
green
grey
group
icon
illustration
info
information
internet
isolated
letter
mailbox
mailing
message
more
network
newsletter
office
outline
paper
pen
post
read
receive
response
screen
send
set
sign
site
spam
symbol
technology
text
vector
web
website