A business undertaking can be run by one person or a group of people. It has a separate legal identity, ownership, management, and bears its own risks. The main characteristics of a business undertaking are that it deals in the exchange of goods and services for profit, and transactions are continuous. Business undertakings are classified as industrial, marketing, financial, or service undertakings based on their activities. They can be organized as private undertakings such as sole proprietorships, partnerships, joint Hindu families, or joint stock companies, or as public undertakings.