Before a transaction can be recorded, it must be understood as an event withconsequences. Before a financial statement can be trusted, its purpose must beknown. This chapter therefore considers accounting as a practice ofrepresentation, communication, judgement, and restraint. It does not yet teachthe mechanics of double entry; a tool deserves an introduction before it isplaced in the hand.Clerks at work in a nineteenth-century record office. The image is notoffered as a nostalgic argument for ink and paper. Its value lies in the visiblediscipline of evidence, classification and custody that survives every change oftechnology.Accounting is the disciplined identification, recording, classification, measurement, summarisation, interpretation and communication of informationabout an entity's economic affairs. The definition is longer than the word'sdaily use permits, but it must be. A mere record is not yet accounting; a receiptin a drawer is evidence, though it has not developed the ambition to become afinancial statement. Nor is a financial statement accounting in its entirety, for itis the visible conclusion of a process that began with an event, a claim, aresource, or an obligation.Accounting then selects, classifies and measuresaspects of that event so that interested persons may reason about it. Thisdistinction matters, inquirer, because a carefully prepared report may beimperfect without being dishonest; its unavoidable selectivity is part of itsnature, while its concealment of relevant information would be a different andmore serious matter.The opposing proposition is that accounting is not merely representational. Bychoosing categories, by applying recognition rules and by fixing reportingperiods, it gives commercial life a form in which it may be compared, questioned and governed. The accounts do not create a debt; nevertheless, thefaithful recording of the debt makes a creditor's claim visible, comparable anddifficult to forget. The synthesis is therefore straightforward: accountingrepresents economic reality through conventions that make rational scrutinypossible. Ideal for ACCA Preparation.