The document discusses distribution channel management and marketing channels. It defines distribution channels as interdependent organizations involved in making products available for consumption. The key roles of distribution channels are to adjust discrepancies in assortment, minimize distribution costs, facilitate searching, and provide a place for buyers and sellers to meet. The document outlines the ex ante and ex post phases of distribution channel management and lists various tasks and functions involved, including developing strategy, organizing activities, motivating members, and resolving conflicts. It also discusses the different flows that occur through marketing channels, such as physical possession, ownership, promotion, negotiation, financing, risk taking, ordering, and payment.