| 20000 Foot | Natural Planning Model | 30000 Foot | Defining Purpose And Principles | Collection Buckets |
| Five Stages Of Workflow | Next Physical Action | Reference Filing | Tickler File | Nonactionable Items |
| Make It Up, Make It Happen | 40000 Foot | GETTING THINGS DONE BINGO (free square) | Organizing | Project Thinking |
| Runway | Defining Your Work | Open Loops | Someday/Maybe | Action Reminders |
| 10000 Foot | One Alpha System | Daily Files | Action Lists | Trusted System |