The characteristics attached to places, which are sensitive to scale of measurement and that may be either spatially extensive or spatially intensive. 'Spatially extensive attributes include total population, measures of a place's area or perimeter length, and total income — they are true only of the place as a whole. Spatially intensive attributes include population density, average income, and percent unemployed, and if the place is homogeneous they will be true of any part of the place as well as of the whole.' For more information, see htt