PARA Method provides another way to organize information. It seems that I could apply some of the ideas to improve § Zettelkasten to clean up permanent notes.
Zettelkasten has Projects (Separate permanent notes and project notes)
Permanent notes are Resources.
Bibliography and literature notes are kind of Archive—they are not active part of the system. (Separate literature notes from permanent notes)
But not really, because Archive in PARA contains archived projects/areas/resources.
Archived/deleted projects go to Archive.
Zettelkasten does not have Areas. But that’s probably what I try to achieve in Treat random notes as a separate “project”
A combined system would contain:
A single main slip-box for all permanent notes (Resources)
Slip-box for bibliography and literature notes
Separate slip-boxes for projects
One or multiple slip-boxes for areas
Archive for archived projects (and areas)
It might be reasonable to have a single slip-box for all areas. My areas contain little notes so there won’t be much mess.