At the end of the course, you may want to keep some of your course work, online discussions, instructor feedback, etc. Here are some places you can check:
Assignments - If your instructor collected homework through Assignments, you can go back to the Assignments section, click the particular assignment, you will see your submitted work. if your instructor returned your work with feedback or comments, you may find in the assignment as well.
Gradebook - Some instructors may give feedback/comments on your homework, your can click on the grade points to read.
Discussion Board - To save a copy of discussions, you open the discussion forum, In Tree View, choose Select All thread, and then click Collect at the top of discussion to display all threads chronologically. Use your mouse to select all, right-click to bring up popup menu, select Copy, open Word Processing Application, Paste, and save the document.