This document discusses the purpose and history of auditing. It begins by defining what accounts are - records of financial transactions over a period. It then discusses the origins of audit activities from the start of business enterprises and governments. The document defines an audit as an independent examination of an entity's financial statements by an appointed auditor. Audits are required for accountability, as a monitoring tool for decision makers, and due to statutory and legislative requirements. The document outlines different types of audits and discusses internal controls and their elements, including organizational structure and procedures.