Hovering over any comment gives the options to Approve, Reply and Approve, Quick Edit, Edit, Mark as Spam or Trash that Comment. Users can disapprove all the approved comments, if required. If a row is yellow on the comments page, it means that the comment is waiting for the user’s review.The image below displays the Comment section on WordPress Dashboard:
The View Post links back to that post on the live site. The small bubble with the number indicates the number of approved comments for that particular post. The gray bubble indicates that user has reviewed all comments for that post. The blue bubble indicates there are some pending comments. Tapping the bubble will filter the comments screen to give out the related comments for that post. The image below displays the In Response To column in Comments section of WordPress dashboard.
Users can change comments from WordPress Settings section. Click Discussion Settings from Settings section, which gives some options for making changes to the comments on the site and to manage spam comments. The image below displays the Discussion settings in Settings section of WordPress.