Thanks to Charlie Fineblum's link to S\W Development mag...I saw there's an article on this question that you might be interested in, if you don't already know of it.

http://www.sdmagazine.com.

BEYOND OBJECTS
The Significance of Components


>I keep seeing the work component bandied about but I'm not I know what one is.
>
>Is it just a class or an object or something else?
>
>TIA