Earlier quoted context omitted.
The power of any system comes when you re-organize the information in your own mind. Reviewing might be enough to allow your brain to do it automatically, but you can also force the process with things like concept-maps and, apparently, this system (which seems to be a type of concept map- but I've not used it so I'm not sure).
Again, from one internet stranger to another, it has been my experience that: 1. Writing & reviewing notes is forcing the process. It is not automatic. 2. Specialized methods don't generalize well. 3. Personalized methods/notations/styles emerge naturally. 4. Nothing beats pencil-and-paper (with a lot of sketches). 5. Chasing "more efficient note-taking" is grossly counter-productive. YMMV.
i bought the first ipad pro with pencil to replace paper for this use case, on the promise of search for handwritten notes. i thought it would be the killer app for ipad pro. instead, it's been disappointing. if only apple had improved the notes app, especially OCR/search, over time rather than regressing it.