The document summarizes different types of internal audits, including due diligence audits, environment audits, social audits, management audits, sustainability audits, human resource audits, and XBRL audits. For each type of audit, it provides a brief overview of the purpose and focus, such as checking for compliance, assessing the gap between community needs and resources for local development, and evaluating whether management strategies are reflected in operations. The document also notes benefits of some audit types like presenting reports electronically and reducing manual intervention.