I’m testing how to show the word processor hierarchy in the Liquid View and I think holding down spacebar should temporarily show this.
However, it looks messy if I show arrows:
Putting the hierarchy to the side was messy:
On top was even messier:
Even when blurring the background:
However, after testing in Keynote, simply going into Outline view seems to be the best option, since the user can instantly toggle back and forth, thus keeping context :-(