A Vocabulary List for AP Human Geography Unit I. Geography: Its Nature and Perspectives?Basic Vocabulary and Concepts Note: The following concepts transcend all units in AP Human Geography; they are central to all geographic thinking and analysis and could even be considered central to any definition of geography. Basic Concepts Changing attributes of place (built landscape, sequent occupance) Cultural attributes (cultural landscape) Density (arithmetic, physiological) Diffusion (hearth, relocation, expansion, hierarchical, contagious, stimulus) Direction (absolute, relative) Dispersion/concentration (dispersed/scattered, clustered/agglomerated) Distance (absolute, relative) Distribution Environmental determinism