This document provides an overview of different types of businesses, including micro businesses, small businesses, medium-sized businesses, and large businesses. It explains the characteristics of each type and provides examples. The document also discusses sole trader businesses, partnerships, limited liability businesses, public limited liability businesses, and cooperative businesses. Additionally, it explores different organizational structures and how they impact business productivity. Finally, it examines the influence of external factors, such as political, economic, social, technological, legal, and environmental factors, on business performance.