This file discusses different business structures in Australia, including sole trader, trust, partnership, and company. It also explains the duties imposed on directors under the Corporations Act, including duty of care and diligence, duty to act in good faith, proper use of position and power, criminal liability, reliance on third-party advice, disclosure of material personal interest, financial reporting, and avoiding insolvent trading. The significance of these duties in the governance of a company is also discussed.