# Blog Long-form writing on the ideas, methods and practice behind Jotaid — the note app that links concepts rather than whole notes. - [Folders, Tags, Files, Entities: Four Ideas of What a Note Is](https://jotaid.com/blog/posts/four-ideas-of-what-a-note-is) — 2026-08-21 Apple Notes, Bear, Obsidian and Jotaid store notes in four different structures — and the structure decides which questions you can ask of them later. - [Stop Managing Notes. Start Developing Concepts.](https://jotaid.com/blog/posts/stop-managing-notes-start-developing-concepts) — 2026-08-19 Zettelkasten, backlinks and knowledge graphs promise connected thinking and rarely deliver. Why the unit worth building around is the concept, not the note.