In response to this tweet, a link from Sascha who "distinguishes [only] between content notes and ... notes on notes". But it appears a little more complex than that."A Zettelkasten is neither a neatly structured filing system ... nor a turmoil deep sea generating ideas out of the ununderstandable chaos. There are three layers in my…

How to take smart notes explains the Zettelkasten system... explain how I apply rules 1-4 of Zettelkasten when using Roam