Clueless about "Number to Display"

I somehow missed the explanation of how they are numbered in the Webinars…
In the settings, I chose the “Number to Display” as “REFN”
Where is that number shown?

I just answered my own question…i would have to assign a number for each individual. That would be too cumbersome, as I have 8000 names in my database (much of it, I inherited from a family genealogist)
Next question is how to file pedigree charts and family group in a notebook. Will post a new question regarding that.

This wiki article reviews “Number to display”.

I did look at this, but it didn’t really help with my root problem. See my newer post regarding

Thank you for your quick response!