This presentation provides a comprehensive overview of business operations, encompassing both private and public sectors. It begins by defining a business and highlighting its diverse forms, ranging from sole proprietorships to corporations. The presentation then delves into the different types of organizations within the private and public sectors, providing examples of each. A significant portion is dedicated to exploring various business structures, including sole proprietorships, partnerships, and limited liability companies, and the underlying reasons for their variations, such as capital requirements, the nature of the business, and scale. Furthermore, the presentation examines the impact of local, global, and national environments on businesses, using TESCO as a case study to illustrate how factors such as consumer purchasing power, global competition, tax rates, and political stability can reshape a company's operations. The presentation concludes by summarizing the key takeaways, emphasizing the diversity of business structures and the importance of understanding the environmental influences on business performance. The presentation is supported by references to relevant academic sources.