A voting comment increases the vote count for the chosen answer by one.
Upvoting a comment with a selected answer will also increase the vote count towards that answer by one.
So if you see a comment that you already agree with, you can upvote it instead of posting a new comment.
RenataW
Highly Voted 1 year, 12 months agoTomGreen
Most Recent 2 months, 2 weeks agoJGKAY
3 months ago