Use a taxonomy for people, organizations, locations, and document types where spelling, capitalization, and lineage matter. Establish parent-child relationships only when they drive queries. Keep labels human-readable, maintain synonyms as redirects, and publish a one-page guide that newcomers can adopt in an afternoon.
Design terms from the domain outward, ignoring how any single tool implements folders or fields. Validate with real notes and questions, not diagrams. If a structure clarifies debate or speeds decisions, keep it; if it merely pleases spreadsheets, simplify until it serves inquiry.
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