Votes
Posts can be up voted or down voted, depending on relevance or whether it answered a question. This is done by selecting the Thumbs UP or Thumbs Down.
Likes
If you LIKE a post, you can click on the face icon. This is the same as the heart icon in the Client Side Web Part.
Topic Ratings
Rate each topic by selecting the number of stars for the topic.
Post your comment on this topic.