If you’re able to de-contextual your notes, they are truly atomic. Your note should only have a single idea / thought.
When you succeed in de-contextualizing your notes, you will be able to use them in many different contexts and link them in other chains of thoughts, a conversation of notes, so to say.
Reference
Ahrens, Sönke. How to Take Smart Notes: One Simple Technique to Boost Writing, Learning and Thinking. 2nd edition, Revised and Expanded edition, Sönke Ahrens, 2022.