Accounting is defined as per PAS Consultancy is :​ 

• Accounting has been defined as “The Language of Business” because it is the basic tool for recording, reporting, and evaluating economic events and transactions that affect business enterprises.
• Accounting processes document all aspects of a business’s financial performance, from payroll costs, capital expenditures, and other obligations to sales revenue and owners’ equity.
• An understanding of the financial data contained in accounting documents, then, is regarded as essential to reaching an accurate picture of a business’s true financial well being.
• Armed with such knowledge, businesses can make appropriate financial and strategic decisions about their future; conversely, incomplete or inaccurate accounting data can cripple a company, no matter its size or orientation.
• Accounting’s importance as a barometer of business health past, present, and future and a tool of business navigation is reflected in the words of the American Institute Of Certified Public Accountants (AICPA), which defined accounting as a “service activity.”
• Accounting, said the AICPA, is intended “to provide quantitative information, primarily financial in nature, about economic activities that is intended to be useful in making economic decisions making reasoned choices among alternative courses of action.”

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         A business’s Accounting system contains information potentially relevant to a wide range of people.

In addition to business owners, who rely on accounting data to gauge their enterprise’s financial progress, accounting data can communicate relevant information to investors, creditors, managers, and others who interact with the business in question.

As a result, accounting is sometimes divided into two distinct subsets—Financial Accounting and Managerial Accounting —that reflect the different information needs of these end users.

Financial accounting : is a branch of accounting that provides people outside the business—such as investors or loan officers—with qualitative information regarding an enterprise’s economic resources, obligations, financial performance, and cash flow.

Managerial accounting : refers to accounting data used by business owners, supervisors, and other employees of a business to gauge their enterprise’s health and operating trends.