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.
KripanandHighly Voted 2 years, 6 months ago
Medevac932 years, 4 months ago
ignacioarg11Most Recent 1 year, 3 months ago