Hi, Jeff
you might need to look up CLR standards - this information is part of
manifest. Also, Reflection classes and methods can help you find what is
what.
In short module is container for classes. There is special table in manifest
which describes referenced modules. Separate tables describe classes.
For example Assembly.GetModules get list of modules referenced by assembly.
Assembly.GetTypes gets list of defined types including classes.
See Reflection overview and I would suggest to start from there
HTH
Alex