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.
gsplunker
Highly Voted 3 years, 10 months agoqtygbapjpesdayazko
Most Recent 1 year, 8 months agoNew_user
3 years, 10 months ago