in the vba  help in excel  you can find  the excel object model.. shows  the
hierarchy of the different objects.. as for classes  and methods  there are
links on the model that you click on to get the help page on that part...

This definitely helps, but it is nowhere near as good as having a
large poster on the wall. I've seen this kind of thing in other
OOPLs, like Java, but not for VBA.

Thanks

The object model was supplied as a chart with the Developers edition of Office
XP.

It is on line for Excel 2003 at
msdn2.microsoft.com/en-us/library/aa141044.aspx

I may have not followed the right protocol in my past message, but
what I thought I had posted was:

As for a visual or a poster of the hierarchy, I haven't seen one
either, so maybe we need to develop one.

Maybe so. Would there be enough interest out there? If so, an easy
business case could be made (I'm a bus. guy, remember?), and having
been a publisher in the early days of QuickTime, the production and
distribution is fairly easy.

Microsoft does have a large collection of posters, including the object
models. The trick is finding them. Does the word "poster" mean something you
hang on your wall or a person who posts a question to a newsgroup.(*1)
Almost as much fun as trying to find  something on "Word" (the application).