When viewing discussion thread replies, you can collapse and expand the discussion thread replies sidebar. When a discussion thread reply is collapsed, you can view the reply indicators showing the number of unread and total replies
To expand the discussion thread replies sidebar, click the # of replies link [1].
View the read and unread replies [2]. Each threaded reply displays the name of the user who posted the reply and the date and time the reply was posted. You may also be able to reply and like the reply.
To view older replies, click the Show older replies link [3].
To view threaded replies options, click the Options icon [4]. You can mark replies as read/unread, mark threaded replies as read/unread, return to the topic, edit the reply, delete the reply, or open the reply in SpeedGrader.
To collapse the discussion thread replies sidebar, click the Close icon [5].