Beyond personal knowledge, note-taking systems handle the operational side of work through specialized note types. Meeting notes, for example, should capture decisions, action items, owners, and open questions rather than functioning as a transcript; the failure mode here is to record what was said while missing the commitments that actually drive follow-through. Treating meeting notes as a forcing function for the decisions and tasks produced in the room turns conversations into action. A decision log extends this idea over time, recording key decisions along with the reasoning, alternatives considered, and outcomes. Logging only the final decision without the reasoning behind it defeats the purpose, because future readers lose the ability to understand why a choice was made or to learn from it.
Projects also leave residue worth keeping. A project archive stores completed project notes for future reference, preserving learning without cluttering active workspaces; deleting useful context immediately after delivery is the usual mistake, since reflections that seem obvious in the moment are often invaluable later. Each of these specialized note types can be practiced on a small realistic example, explained out loud to test the reasoning, and then checked against whether the resulting note actually supports the intended outcome. Asking the same trio of questions across all of them, what problem this solves, what trade-off it introduces, and how you will know it worked, keeps the practices honest and prevents them from degenerating into bureaucratic busywork.