Om Pawan Kumar S.

The general definition of an audit is a planned and documented activity performed by qualified personnel to determine by investigation, examination, or evaluation of objective evidence, the adequacy and compliance with established procedures, or applicable documents, and the effectiveness of implementation. wikipedia.org

In management accounting or managerial accounting, managers use the provisions of accounting information in order to better inform themselves before they decide matters within their organizations, which aids their management and performance of control functions. wikipedia.org

A financial statement (or financial report) is a formal record of the financial activities of a business, person, or other entity.

Data processing is, generally, "the collection and manipulation of items of data to produce meaningful information".