accept
agree
agreement
black
box
boxes
check
choice
color
confirm
confirmation
correct
customer
dark
different
done
element
finished
form
good
graphic
gray
icon
illustration
isolated
label
list
mark
ok
okay
poll
positive
questionnaire
right
select
set
sign
stick
sticker
success
survey
symbol
text
tick
true
typographic
vote
voting
yes