Hi Fong:

There are a large number of fields which can be confusing.

The good news is that the fields are named quite clearly and, further, the sample cover sheets in the module already use the most important ones.

I'd suggest making good use of the "Preview" button. It's a great feature just for this purpose. To experiment, create a new, blank cover sheet and pick some fields from the selection tree (focus on Customer Data - Profile and Company Data). Just insert them into the document on separate lines; don't worry about any fancy wording. Then click on the Preview button and pick a Customer. You'll see exactly what the various codes represent.

It'll take a bit of experimenting but it's almost (a little) fun!