| Collection Buckets | Identifying Next Actions | Defining Your Work | Natural Planning Model | Tickler File |
| Waiting For | Horizontal & Vertical Control | Trusted System | 30000 Foot | One Alpha System |
| Reference Filing | Brainstorming | GETTING THINGS DONE BINGO (free square) | Five Stages Of Workflow | Action Reminders |
| Open Loops | 20000 Foot | Next Action | Mind Like Water | Avoid Hanging Files |
| Nonactionable Items | Calendar | Next Physical Action | Someday/Maybe | Outcome Visioning |