accept
agree
app
application
approval
approve
best
black
blue
button
check
choice
click
color
cool
design
emoticon
flat
good
hexagon
hexagonal
icon
infographic
interface
internet
long
mark
modern
new
ok
orange
pictogram
pink
positive
red
satisfaction
set
shadow
sign
symbol
tick
vote
web
white
yea
yellow
yes