I have soo many tips for this but here is a few.
One of the starting organisation methods is simply tagging, and using the new here button makes this easy, as suggested using one of the TOC macros is helpful. Do look behind the Info Button for references etc…
If you want to take notes in class, and anyway, I recommend getting the EditButtons from here Plugins — Utilities for TiddlyWiki so you can save changes but keep editing, and there are a few keyboard fanatics around that can help you avoid mouse use.
On the right sized screens, consider taking notes with the preview window “output” displayed.
Create missing tiddlers with text containing [[subject area]] then have a custom list to show them for subsequent follow-up and content. This way you “task yourself” with following up particular material.
Play with selecting and drag and drop of content into the editor for quick captures.
Search here for more. some examples;
Keep asking Questions