popular pkm structures generally include the same key elements – that is, they separate things to do from things to reference, from scheduled activities, and from the overarching domains of responsibility. | | PARA | PPV | ace | jd | gtd[^1] | | ------------------------------------------ | --------- | --------- | -------- | ----- | --------- | | **things that require action** | projects | pipelines | efforts | - | projects | | **general categories of responsibilities** | areas | pillars | atlas | areas | areas | | **notes and assets to reference later** | resources | vault | atlas | items | reference | | **retired storage** | archive | - | - | - | - | | **time-based activities** | - | - | calendar | - | calendar | ^a9c841 [^1]: gtd isn’t an information management system, but is part of the overarching meta-practicing of organizing and maintaining your work and its associated resources.