This document provides an introduction to basic accounting concepts. It defines accounting as the process of recording and reporting financial information. It categorizes accounts into assets, liabilities, owner's equity, expenses and revenues. Assets are economic resources owned and are classified as current or non-current. Liabilities represent amounts owed and are also current or long-term. Owner's equity represents the owner's claim. Revenues are increases in assets from main operations and expenses are decreases in assets or incurrences of liabilities from revenue generation activities. Financial statements and accounting information are important for decision making.