The document discusses market segmentation, which is the process of dividing a total market into groups of customers with similar needs and wants. The purpose is to design tailored marketing mixes for each segment. There are different patterns of consumer preferences and levels of segmentation from broad to more niche. Key steps involve segmenting the market based on geographic, demographic, psychographic and behavioral factors, then evaluating and selecting target segments based on their size, growth, attractiveness and fit with company objectives and resources. Positioning involves designing an offering and image to occupy a distinctive place in the target segment's mind through a value proposition and unique benefits.