This is an example review page. GD Rating System Pro implements Stars Review rating method that allows post/page author to set single rating that is authors review rating for the item or post or anything else you want.
You can see review block below, showing the additional information along side the review rating: subject and short description you can add with the rating value. If the review is part of the article that is related to the product or service, you can include that information too: name, URL and image for the reviewed product.
Review example with the use or reviewed item can be seen here.