Though now @gRegorLove I am really confused on the difference between a read post and an h-review of a book. Is a read, either want-to, reading, done

Though now @gRegorLove I am really confused on the difference between a read post and an h-review of a book. Is a read, either want-to, reading, done just an action with no summary? Does a red post become a review once you make a recommendation?