Are you using analog or digital tools for it and generally speaking for what purpose you take the notes.
I am more referring to something along the line of: https://en.wikipedia.org/wiki/Sketchnoting
When concepts lay out and interconnect like a periodic table of elements, symmetries, misalignments, or gaps suggest where you’re onto something, or perhaps the conception is mistaken, or more research is needed.
These can prove quite dense, a single well woven page can take 50 powerpoint slides to unpack and bullet or diagram more conventionally.
I use obsidian and similar markdown tools but the shape of a system or information is lost in most text tools. Excalidraw is useful, as is Kroki.io, for tying the two approaches together.
But mostly Apple Pencil and Goodnotes w/ graph paper.