From MSDN Library:
"Polymorphism means that many classes can provide the same property or method, and a caller doesn't have to know what class an object belongs to before calling the property or method."

Shout if you want more...

>I couldn't remember if it was something that VFP supports.
>
>I'm interested because I went to the FOSE convention in Washington. At the Corel booth was a guy who told me about Paradox, which he said supported polymorphism but not inheritance. He was not a developer, I think, and may not have been clear about the definitions of those terms.