Accounting or accountancy is the measurement, processing and communication of financial information about economic entities such as businesses and corporations. Accounting, which has been called the "language of business", measures the results of an organization's economic activities and conveys this information to a variety of users, including investors, creditors, management, and regulators. Practitioners of accounting are known as accountants. The terms 'accounting' and 'financial reporting' are often used as synonyms.Financial accounting focuses on the reporting of an organization's financial information to external users of the information, such as investors, regulators and suppliers. It calculates and records business transactions and prepares financial statements for the external users in accordance with generally accepted accounting principles (GAAP).