See https://mirrors.tnonline.net

My notes could be:

|- thoughts
|- personal stash
|- knowledge collection
|- knowledge organization
|- designing
|- creative works
                                REALITY / GOD

LIFE (PEOPLE, HEALTH, POLITICS) | INTERACTION (AIR, FOOD, UX) | WORLD (PHYSICS, TECHNOLOGY)

To expand:

|- thoughts
   |- about X
   |- about Y
   |- about Z
|- knowledge
   |- disciplines
   |- morals
   |- communication
   |- city planning
   
   |- study of material culture (archaeology)
   |- study of symbolic culture (symbolic anthropology)
   |- study of recorded history
   
   |- study of earth
   |- study of planets
   |- study of stars
   |- study of evolution of the universe
   
   |- study of unseen reality
   |- study of methodology of acquiring knowledge
   |- study of things
   
      |- study of interactions between things
      |- study of evolution of life
      
   |- study of living things
   
      |- classification of living things
      |- study of animals
      |- study of birds
      |- study of plants
      |- study of systems of living bodies
      
         |- study of systems of the human body
         |- study of systems of animal bodies
         
      |- study of toxins
      |- study of diseases
      |- study of disease causers
      |- study of medicine
      
   |- study of fossils
   |- study of description (math)

   |- study of household affairs (economics)
   |- study of interpersonal affairs (ethics)
   |- study of resource utilization
   |- study of family
   |- study of morals
   |- study of resource sharing (economics)
   |- study of governance (politics)
   
   |- study of correction (justice)
   |- study of truth (judiciary)
   |- study of discourse
   |- study of deception
   |- study of rhetoric
   |- study of mind

|- designing
   |- encoded ideas
   |- tangible items
      |- electronic devices
      |- clockwork devices
|- creative
   |- drawing
   |- music 

Capitalized Versions

My notes could be:

|- Thoughts
|- Knowledge
|- Designing
|- Creative

To expand (3 levels):

|- Thoughts
|  |- About X
|  |- About Y
|  |- About Z
|- Knowledge
|  |- Disciplines
|  |- Morals
|  |- Communication
|  |- City Planning
|  |- Encoding

|- Designing
|  |- Encoded Ideas
|  |  |- Strict Code Works
|  |  |- Markup Language Works
|  |  |- Natural Language Works
|  |  |- Technical Drawing
|  |- Tangible Devices
|  |  |- Manual Tools
|  |  |- Powered Tools
|  |  |- Clockwork Devices
|  |  |- Electronic Devices
|  |- Constructed Structures
|  |  |- House
|  |  |- Buildings

|- Creative
|  |- Drawing
|  |- Music
|  |- Statues

To expand more (6 levels):

|- Thoughts
|  |- About X
|  |- About Y
|  |- About Z
|- Knowledge
|  |- Disciplines
|  |- Morals
|  |- Communication
|  |- City Planning

|  |- Encoding
|  |  |- Strict Code
|  |  |  |- General Programming Languages
|  |  |  |  |- C
|  |  |  |  |- C++
|  |  |  |  |- Python
|  |  |  |  |- C#
|  |  |  |  |- JavaScript
|  |  |  |  |- Java
|  |  |  |  |- Rust
|  |  |  |- General Scripting Languages
|  |  |  |  |- Lua
|  |  |  |  |- Pawn
|  |  |  |- Specialized Scripting Languages
|  |  |  |  |- VimScript
|  |  |  |  |- QML
|  |  |  |- Other Computer Oriented
|  |  |  |  |- HyperText Markup Language
|  |  |  |  |- OpenGL Shading Language
|  |  |  |- Numerical Control
|  |  |  |  |- G-Codes
|  |  |- Frameworks
|  |  |  |- Qt
|  |  |  |- GTK+
|  |  |  |- .NET Framework
|  |  |  |- Node.js
|  |  |  |- GStreamer

|- Designing
|  |- Encoded Ideas
|  |  |- Strict Code Works
|  |  |  |- General Programming
|  |  |  |  |- Basic Components
|  |  |  |  |  |- Program Environment
|  |  |  |  |  |- Data Control System
|  |  |  |  |  |- Data Transport System
|  |  |  |  |  |- User Interface
|  |  |  |  |- Program Type
|  |  |  |  |  |- Device Firmware
|  |  |  |  |  |- Device Drivers
|  |  |  |  |  |- System Firmware
|  |  |  |  |  |- System Subsystems
|  |  |  |  |  |- Local Programs
|  |  |  |  |  |- Network Programs
|  |  |  |- Database Design
|  |  |  |- Numerical Control
|  |  |- Markup Language Works
|  |  |  |- Internet Pages
|  |  |  |- Technical Documentation
|  |  |- Natural Language Works
|  |  |  |- Poetry
|  |  |  |- Content Writing
|  |  |  |- Creative Writing
|  |- Tangible Items
|  |  |- Manual Tools
|  |  |- Powered Tools
|  |  |- Clockwork Devices
|  |  |- Electronic Devices
|  |- Constructed Structures
|  |  |- House
|  |  |- Buildings

|- Creative
|  |- Drawing
|  |- Music
|  |- Statues