# Decade A ten-year span used for long-range life planning. > [!info]- Canonical definition > This term is maintained in the [[vocab|PKM Vocabulary]] SKOS source, not here. > `pkmv:Decade` · [term page](https://w3id.org/pkm/vocab/Decade) · [Turtle](https://w3id.org/pkm/vocab/terms/Decade.ttl) ## Scope Groups years via IN_DECADE: strategic, low-frequency time horizon. ## Broader - [[Calendar (Term)|Calendar]] — partitive (ISO 25964) ## Collections - [[Decade Collection (Collection)|Decade Collection]] --- #vocab/term · created 2026-08-25 · modified 2026-08-27