This document provides an overview of brick-and-mortar and online retail models. It discusses what brick-and-mortar is, when and where it is used, and its pros and cons, which include numerous options and face-to-face communication as pros, and parking and price issues as cons. It also discusses online retail models, when and where they are used, and their pros and cons, such as convenience and variety of products as pros and delivery risks and costs as cons. The document then compares growth trends between brick-and-mortar and e-commerce, noting that while e-commerce is growing, brick-and-mortar still controls the majority of retail sales. It provides examples of Dell