If you want to do movie backups, go to www.videohelp.com. Look to the left under "HowTo", and "Articles", then "Newbie Articles". Read some of those, and refer to the glossary when needed. Then you can choose one of the guides depending on what you want to do.
Now if you want general information about how to use your burner, check out the hardware sections and all "Read First" Stickies. Good luck.