Seeking knowledge on VBA limitations

I am seeking some theoretical knowledge regarding the limitations of VBA.

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QUESTIONS

What is the maximum possible...

1. ...number of modules you can have in a VBA project?
2. ...number of macros you can have in a VBA project?
3. ...number of code lines in a single procedure?
4. ...number of characters in a single code line?
5. ...size of a module?
6. ...size of a VBA array?
7. ...number of characters in a string variable?
8. ...number of characters in a constant?
9. ...number of references in a VBA array?

5. 64 k (Found in this article: http://msmvps.com/blogs/xldynamic/ar...a-project.aspx )