The document discusses various e-business models and components of e-commerce business models. It describes key components like value proposition, revenue model, market opportunity, competitive environment, competitive advantage, market strategy, organizational development, and management team. It also describes major B2C models like portals, e-tailers, content providers, and transaction brokers. Major B2B models discussed are B2B hubs, e-distributors, and B2B service providers. The document concludes with case studies on different approaches companies take in integrating online and offline businesses.