3d
acceptance
affirm
affirmative
agree
agreement
answer
approval
approve
ballot
business
candidate
check
check box
checkmark
choice
choose
concept
confirm
confirmation
correct
decide
decision
elect
election
green
item
list
mark
ok
opinion
option
poll
positive
questionnaire
quiz
respond
response
select
selection
sign
solution
survey
symbol
test
tick
verify
vote
voting
yes