How do I reply to a discussion?
You can reply to any discussion, threaded or focused. However, the reply process varies depending on the type of discussion.
1. Start by clicking the Discussions link in the course navigation sidebar.
2. Click the title of the discussion to open the discussion and use the Reply field to enter your response. You can reply to the main thread or other to other replies.
Your reply can be written in the Rich Content Editor or alternatively you can switch views  to write in HTML. Here in the posting section, you can add links, photos, equations, and/or media. When you finish, click Post Reply  to add your response to the discussion. You can edit or delete your response by selecting settings  in the top right corner if your instructor has enabled this feature.
3. Your reply will be posted at the bottom of the discussion reply thread. A flashing blue border indicates that it is newly posted.
4. You are done posting your reply to a discussion!