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