Level 16 — 42 concepts
Each concept here is built from components whose deepest is L15, so it stands 16 steps of emergence above the foundations. Depth is not difficulty or abstraction — it is the length of the chain needed to ground the word.
address locationback spatialbiological lifebox containerbritain politicalbush plantcatch twenty two dependencycell biologicalclimate weathercompetition socialcutting corners margindeath biologicaleconomies of scale excessenables facilitationexterior spatialfuel resourcegoing viral excessgrip constraintgroundswell emergencehuman personin too deep path-dependenceindex referenceivory tower detachmentjust in time thresholdlake geographicline geometriclocated spatiallocation spatialmanagement administrativemoney economicnorth directionoil fuelposition spatialprivacy socialreach spatialripple effect stackedscarcity conditionsouth directionstop actionstore placetoo big to fail margintop upper