| Reference Filing | 10000 Foot | Action Lists | Trusted System | 30000 Foot |
| Someday/Maybe | Defining Your Work | Natural Planning Model | 40000 Foot | Collection Buckets |
| Organizing | Defining Purpose And Principles | GETTING THINGS DONE BINGO (free square) | Make It Up, Make It Happen | Calendar |
| Open Loops | Mind Like Water | One Alpha System | Identifying Next Actions | Daily Files |
| 20000 Foot | Five Stages Of Workflow | Nonactionable Items | Action Reminders | Waiting For |