A small reference notebook
A small notebook about reading carefully and keeping useful references.
This notebook collects short explanations that are useful to revisit. Each note focuses on one small question, with plain navigation and local resources.
Before opening a long text, write down one question you hope it can answer. That question gives a first pass some direction. It also helps you notice when a text belongs to a different subject and should be saved for another day.
A useful reference title names its subject in ordinary words. Add an author, date or edition when those details distinguish similar material. A folder full of clear names remains easier to browse than one that depends entirely on remembering when each file was saved.