This document discusses market segmentation. It defines market segmentation as dividing a market into subgroups with distinct needs or behaviors that may require separate products or marketing strategies. Segmenting a market has benefits like efficient use of resources, better understanding of customer needs, and accurate goal measurement. Successful segmentation requires the segments to be identifiable, accessible, responsive, sizable, and measurable. The document outlines various bases for segmentation, including geographic, demographic, psychographic, and behavioral factors. It provides examples to illustrate each segmentation type.