Participating in a Discussion
You can navigate to the Discussion Board clicking on the class you wish to use. Then,click on discussion board tab on the Nav Bar as shown below.
Click on the discussion you wish to use and then, click "Start a New Thread"
After clicking "Start a New Thread" you will need to enter a Title which is the subject bar and then from there you can type and edit anything you want in the post bar. You can add and files or links to your thread by clicking on "Add Attachments"
When you are done composing your response, be sure to click the "Post" button at the bottom.
You will then see your post along with other posts within the forum.