Hi crystal borbon,
I made a screencast to show some knowledge regarding the USC planes in Autocad.
See link below to view it on your screen. You may view it in full screen if you want.
Don't forget to "upvote" below the comment if this aided what you are aiming for and don't hesitate to ask if you have any more questions.
If you got any other questions or anything, just submit an entry on the link below. Thanks!
AttachmentsSwitching UCS Planes in AutoCAD.webm, 10.2 MB