RetroArch Tutorial Part III - Usage 101 / Best Practices

After two tutorials on a proper RetroArch setup (Part I and Part II), this might be the most difficult Part III on best practices in RetroArch. Frankly, it's an attempt and I will see where this heads to.

Hello RetroArch!
I do hope it's fine to use your great logo here :-).

RetroArch Menu Styles

While I stick to the pragmatic new menu layout of ozone, you can also check the different layouts which RetroArch offers. Look for: Settings/User Interface/Menu (change requires a save and restart)