A few links for Lightroom Classic
Masking
Organizing Your Photos
Every expert, content creator, ... has their way to do it. It may not work for you. How do you organize is the best way for YOU. BUT once you begin to use Lightroom Classic only use Lightroom Library to rename, move or otherwise modify your photo locations, names etc.
In YouTube I entered this search "how to organise photos in lightroom classic " and there are lots of the best way. You need to find the way that works for you. Following are some that I have viewed and I'm still searching for the BEST .