Fantasy Sub Genres

When we talk about Fantasy, when we talk about game worlds, what does that mean? Let's break down some popular subgenres and talk about how to make them work for D&D and gaming.
(Sorry for having to reupload. I'm a technical idiot.)

[fasthandshero]

Yeeee I’m thrilled, I’ll be going through all of these!

[BLynn]

What was the issue with the previous version of this video? (Stating again the audio is dramatically better, thank you.)