Could not find an Epicski forum that seemed to fit my question.
I've been here a couple of months. On the profile page I see the following:
Feedback received 3
Feedback given 1
Unique feedback 3
I can see the details of my feedback received and the one given.
I realize feedback given and received is a result of clicking the "thumbs up" icon under a post. What is unique feedback? The thought has crossed my mind that it is just a total of feedback received, but that does not answer "why" for a repetitive category.