One guide per thing, each one written from the screen you will actually be looking at. No account needed to read them.
From an empty account to a page you can put in your bio.
What is on the page, and what it looks like.
The things your page can do beyond linking out — each one is a small application with its own inbox.
What the page did, and how to make it do more.
The parts that are not on the page.