Tutorial for rendering multiple objects / How to use VAOs properly by Chapter 1

[Bigwee875]

I went through Chapter 1 & was able to get 1 object rendered.
Unfortunately I did not fully understand Vertex Array Objects, Vertex Buffer Objects, or why they must be assigned or how they were useful.
I also didn't know how to draw multiple different / similar objects using VAOs.

Apparently they were mentioned in passing (code) in Chapter 2, but Chapter 2 sounded a lot like visual improvements so I had passed that up, because I wanted to render multiple objects first, and was flailing headless until I visited the Discord.

Is it possible to add a last Tutorial onto Chapter 1 that walkthroughs how to Render different objects properly?
Such as what VAOs / VBOs need to be reassigned, what needs to change before a second GL.Draw...

I think it'll be a great opportunity to also explain why VAOs are great since we'd actually be switching between them.
Rendering only 1 object is fine for an entry tutorial but it's a mystery when wanting to draw multiple different objects.

[NogginBops]

We will probably not change the structure of the tutorial away from the structure in https://learnopengl.com.
Maybe we could have chapter overview or like a note about the tutorial being linear and that you are expected to read it in a linear order or you might miss important details.