Shortcut for "focusing on a pane"

Hi, I was wondering, when I create a new note with control+command+n, how do I “jump pane” to the “writing pane” to write the text?

You can use (Shift-)Ctrl-Tab to switch between the main view, the document and the inspectors.

Ah cool. Can I assign my shortcut? Is there a way to click it in the “top menu”

That’s not possible.