This document defines key marketing concepts and discusses the changing marketing landscape. It covers topics such as defining marketing, the scope of marketing, marketing management, who conducts marketing, and what can be marketed. It then discusses major market forces like technology, globalization, and social responsibility that are shaping new marketing realities. Customers now have more capabilities while companies can better target customers. The document advocates for a holistic and customer-centric approach to marketing where organizations are market-driven and focus on creating value for customers.