| Someday/Maybe | Horizontal & Vertical Control | Reference Filing | Nonactionable Items | Organizing |
| Next Action | 20000 Foot | Calendar | One Alpha System | Runway |
| Tickler File | Next Physical Action | GETTING THINGS DONE BINGO (free square) | Trusted System | Action Reminders |
| Five Stages Of Workflow | 30000 Foot | Daily Files | Natural Planning Model | Project Thinking |
| 40000 Foot | Make It Up, Make It Happen | Brainstorming | Outcome Visioning | Avoid Hanging Files |