A framework for connecting ideas by thinking in four directions. Created by Vicky Zhao (Fei) for Zettelkasten thinking.
The Four Directions
| Direction | Question | What You’re Looking For |
|---|---|---|
| North | Where does this come from? | Prerequisites, foundations, origins, parent concepts |
| West | What’s similar? | Analogies, parallel concepts, supporting ideas |
| East | What opposes this? | Contrasts, alternatives, tensions, counterarguments |
| South | Where does this lead? | Implications, applications, consequences, next steps |
Example: “Sampling Period” (from Range by David Epstein)
Idea: In sports, kids who try many activities before specializing outperform those who specialize early.
| Direction | Connections |
|---|---|
| North | Goal-oriented thinking, early specialization pressure, Tiger Woods myth |
| West | T-shaped person, polymath, Nobel scientists with hobbies, creativity research |
| East | Grit, 10,000-hour rule, Matthew principle, “focus” advice |
| South | Personal monopoly, career breadth, multidisciplinary innovation |
Why It Works
Trains your brain to automatically ask “how does this connect?” every time you encounter something new.
Reveals hidden structure. By thinking in opposites (East) and similarities (West), you see the full shape of an idea—not just what the author told you.
Generates new questions. “Why does sampling period contradict grit? Are they actually talking about different timescales?”
How to Use
When processing any atomic note:
- Place the idea in the center
- Ask each direction’s question
- Link to existing notes where possible
- Create placeholder notes for connections you want to explore later
- Leave directions empty if nothing fits—that’s fine
It’s a prompt, not a checklist. You don’t need four connections every time.
Common Trap
Forcing connections. If you can’t think of anything for a direction, leave it empty. Forced connections add noise. Real connections will emerge over time as you add more notes.
Spatial Thinking Extension
Use Obsidian Canvas to literally move atomic notes around visually. Sometimes spatial arrangement reveals connections that linear writing hides.
Divergent: Canvas (explore, rearrange, see relationships) Convergent: Map of Content (MOC) (synthesize, structure, create linear output)
North: Where does this comes from?
- Zettelkasten Method (parent system)
- Vicky Zhao (where I found the Idea Compass)
- Linking Your Thinking (Nick Milo’s conference where this was presented)
East: What opposes this?
- Linear Processing (one direction: what comes next?)
- Topic-Based Linking (links by subject, not by relationship type)
South: Where this leads?
- Generating New Ideas (compass reveals gaps and tensions)
- [[MOC)](Maps of Content (MOC|Maps of Content (MOC)]]) (compass connections feed into MOCs)
West: What is similar?
- SCAMPER (also uses prompts to generate new angles)
- Six Thinking Hats (multiple perspectives on one idea)
- Dialectical Thinking (thesis, antithesis, synthesis)