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