The document discusses consumer behavior from several perspectives: 1) It outlines key concepts in consumer behavior including definitions, applications to marketing strategy, and research methods. 2) It examines external determinants of consumer behavior such as culture, social factors, and personal influences. 3) It analyzes internal determinants including personality, motivation, information processing, attitudes, and decision making. 4) It reviews models of consumer decision making and different views of the decision process. 5) It discusses post-purchase behavior, consumerism, and organizational buying.