The document discusses market segmentation, targeting, and positioning. It defines market segmentation as dividing a market into distinct subgroups that can be targeted effectively. It discusses different bases for segmentation, including geographic, demographic, psychographic, and behavioral variables. Geographic segmentation divides the market based on location, while demographic segmentation uses variables like age, gender, income. Psychographic segmentation considers personality, lifestyle, and values. The document provides several examples of companies segmenting their markets on these different bases.