This document summarizes key aspects of business and the business environment. It defines business, commerce, and industry. It also defines the business environment and lists its internal and external components. The external components include the micro environment of customers, suppliers, competitors, and intermediaries, as well as the macro environment of economic, political, social, legal, and technical factors. Globalization is discussed in terms of increasing integration and connectivity between markets through trade, investment, and cultural exchange. The economic environment and factors affecting it are also summarized, including the economic system, economic conditions like GDP and unemployment, and economic policies.