Titles are important for memory recall, search, visual scanning, and ease of linking.
Propositional Titles
One of the main thought leaders followed is propositional titles from Matuschak0000WritingNoteTitles 1. Seitz2021StarterPack points out that retrieving a claim from memory much faster than a vague title and has propositional title examples to look at. @Tiago Forte claims it will help you focus the writing and provide islands aka Use an archipelago of ideas to write quickly and well for you to build between with writing.
I agree. For my Zettle I’m adding back @Niklas Luhmann’s title strategy for my academic work. As close to paper as possible to declutter the brain.
Aggregation Titles
Are more vague and a list. Perhaps a complicating stand in with no place here. Collins2022Zettelkasten101