| Reference Filing | Waiting For | Trusted System | 10000 Foot | Nonactionable Items |
| Open Loops | Tickler File | Someday/Maybe | Action Reminders | Five Stages Of Workflow |
| Runway | Natural Planning Model | GETTING THINGS DONE BINGO (free square) | Organizing | Collection Buckets |
| 40000 Foot | Weekly Review | Brainstorming | Make It Up, Make It Happen | Horizontal & Vertical Control |
| One Alpha System | Identifying Next Actions | Next Physical Action | 20000 Foot | Defining Purpose And Principles |
| Tickler File | Brainstorming | 40000 Foot | Avoid Hanging Files | Calendar |
| 20000 Foot | Natural Planning Model | Collection Buckets | Defining Your Work | 30000 Foot |
| Runway | Open Loops | GETTING THINGS DONE BINGO (free square) | Five Stages Of Workflow | Nonactionable Items |
| Project Thinking | Trusted System | Next Physical Action | Someday/Maybe | Mind Like Water |
| Weekly Review | Next Action | Reference Filing | One Alpha System | Action Reminders |