This document provides an overview of key accounting concepts and principles. It defines accounting as the process of identifying, measuring and communicating financial information. The main functions of accounting are to keep systematic financial records, protect business assets, and communicate results to interested parties. Key concepts discussed include the dual aspect concept where every transaction has two equal parts, the accounting period concept which determines profit/loss over a set time period, and the going concern concept which assumes a business will continue indefinitely. The document also covers accounting conventions like disclosure, conservatism and consistency.