The document discusses market segmentation and positioning. It defines market segmentation as identifying distinct customer groups based on needs, characteristics, preferences or behaviors that require separate product offerings. Mass marketing assumes uniform customer needs while segmentation recognizes diverse customer groups. Concentrated marketing targets a niche segment with a specialized offering. Segmentation can occur at single, differentiated, concentrated or micro levels. Demographic and behavioral variables form the bases for segmentation. The document also discusses evaluating segment viability and differentiating between points of parity/difference and product/market specialization. Target market selection can follow single-segment, multi-segment or full market patterns.