This document discusses the types and purposes of organisations, including public companies, private companies, and voluntary companies. It also explores the size and scope of various organisations and the relationships between different company functions and their objectives. The document focuses on Tesco, a public company, and Aldi, a private company, as examples. It provides insights into the positive and negative impacts of the macro environment on business operations and analyzes the internal and external factors that affect decision-making. The document is relevant for students studying business and the business environment.