That's the reason I still prefer Bear's approach of using nested tags as the main organizational tool. If I study a maths topic today, I can tag it like for exa

That's the reason I still prefer Bear's approach of using nested tags as the main organizational tool. If I study a maths topic today, I can tag it like for example #2022/02/12, #studies/M<module number>, #maths/<topic> and find it in the future easily, no matter what path to it I think of first.