This document provides an overview of Chapter 13 which covers retailing and wholesaling. It discusses the key concepts around retailing including the definition of retailing, types of retailers based on service level, product line, prices, and organizational approach. It also summarizes the retailer marketing decisions around segmentation, product assortment, pricing, promotion, and place. For wholesaling, it defines wholesaling and outlines the key functions performed by wholesalers like selling/promoting, buying, warehousing, and types of wholesalers.