There are no stupid questions, except maybe this one: Q. Why is a wide horizontal tree superior way to work with a mind map that’s a pure outline (not a DAG) than a simple outline? See the Data Format here, it’s an outline. Keystrokes are about moving nodes and descendants, that can work on an outline. And then why not have a portable outline format. I do understand this is terminal/text. Yet there are plenty termina…
Note that in the image there, they’ve got some subnodes expanded deep horizontally, while their sibling nodes might be even deeper but are collapsed.
The difference with a simple vertical outline is that this format is focused on pruning/unpruning parts of the tree, pair with an expectation of arbitrarily “deep” nesting. I find that in outline format, I’m unlikely to go deeper than a couple levels, and will at that point either switch to narrative or use some sort of referencing scheme.