The document discusses different sources of finance for businesses categorized by term - short term (up to 1 year), medium term (up to 5 years), and long term (more than 5 years). Some sources mentioned are bank overdrafts, loans, venture capital, ordinary share capital, and personal sources. Key factors in choosing a source include the legal structure of the business, the intended use of funds, amount required, the business's profit levels and risk level, and the owners' willingness to lose control.