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Geometric Boundary
Political boundaries that are defined and delimited by straight lines.
Antecedent Boundary
a boundary that existed beforethe cultural landscape emerged and stayed in place while people moved in to occupy the surrounding area...
Subsequent Boundary
a boundary that developed with the evolution of the cultural landscape and is adjusted as the cultural landscape changes...
Super Imposed Boundary
boundary that has been forced upon the inhabitants of an area to solve a problem and/or conflict, i.e., Indonesia/Papua New Guinea
Physical Boundary
political boundary that separates territiories according to natural features in the landscpae, such as mountains, rivers or deserts.