[jasomill]

While the modern Internet has certainly changed how documentation is published, your suggested three-part breakdown seems as relevant today as it did when documentation was mostly delivered in print.

It's also worth pointing out that being able to skim comprehensive, reference-style documentation to get a general overview of a technology without getting bogged down in irrelevant-for-present-purposes detail is a useful skill to learn.

“As the art of reading (after a certain stage in one’s education) is the art of skipping, so the art of being wise is the art of knowing what to overlook.”

— William James[1]

[1] https://archive.org/details/theprinciplesofp00jameuoft/page/...