Attribution means:

Authors let others copy, distribute, display, and perform artist's copyrighted work - and derivative works based upon it - but only if they give artist credit.

Share Alike means:

Authors allow others to distribute derivative works only under a license identical to the license that governs artist's work.

No Derivative Works

Authors let others copy, distribute, display, and perform only verbatim copies of artist's work, not derivative works based upon it.

Noncommercial means:

Authors let others copy, distribute, display, and perform artist's work - and derivative works based upon it - but for noncommercial purposes only.