streamcode9

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1. Hierarchical Structure (Tree Format)

• Best for: Categorized knowledge, textbooks, formal systems.
• Example:

  Science  
  ├── Physics  
  │   ├── Mechanics  
  │   └── Thermodynamics  
  └── Biology  
      ├── Cell Biology  
      └── Genetics  
  

• Tools: Folders, Notion databases, mind maps.

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2. Network/Graph Structure (Zettelkasten Style)

• Best for: Ideas, concepts, and connections between them.
• Key Feature: Notes link to other notes; everything is connected.
• Tools: Obsidian, Roam Research, Logseq.

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3. Matrix/Grid Structure

• Best for: Comparing things across dimensions.

• Example:

  Theory	Advantages	Weaknesses	Use Cases
  A	Fast	Inaccurate	X
  B	Precise	Slow	Y

• Tools: Spreadsheets (Excel, Notion, Airtable)

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4. Chronological (Timeline) Structure

• Best for: Histories, case studies, project logs.
• Example:

  2022 - Started learning Python  
  2023 - Built first project  
  2024 - Created personal website  
  

• Tools: Timelines in Notion, Trello, journals

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5. Problem → Solution → Insights Structure

• Best for: Technical learning, case studies, project-based notes.
• Template:
  • Problem
  • Attempts
  • Solution
  • Insights / Lessons learned

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6. PARA Method (by Tiago Forte)

• Best for: Knowledge related to productivity or projects.
• Breaks down into:
  • Projects – active tasks
  • Areas – ongoing responsibilities
  • Resources – reference material
  • Archives – inactive items

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