- the right to reproduce the work (make copies) ;
- the right to adapt it (make new versions) ;
- the right to distribute or publish the work;
- the right to perform the work in public; and
- the right to display it.
Stating "all rights reserved" is simply a way of saying that you, the copyright holder, keep all those rights unless you specifically give someone else permission to copy it, display it, etc.
This article originally appeared in The INK Spot magazine.