@JeffJAG Using Obsidian as a Zettelkasten, there is a workflow (process) from „Source“ (reading) to „Target“ (writing). For different steps of this workflow, I have different folders.
Here is more about: Limit folders. How to use Zettelkasten in Obsidian - #13 by Edmund
In each folder you can find notes with different structures, different attributes and different purpose. The folder structure supports this process and is very useful to inspect and adapt existing notes.