The document describes various characteristics used to describe settlements, including site, situation, function, shape, population, and area. It discusses important site factors that influenced where settlements were located, such as access to water sources, defensive positioning, and shelter from aspects. Situation describes a settlement's location in relation to other features. Function refers to a settlement's main economic and social activities. Shape can be dispersed, nucleated, or linear. Settlement hierarchies rank settlements based on size and importance.