business transaction definition
Definition. The accounting definition of a business transaction, according to the online Business Dictionary, is an economic event that initiates the accounting process of recording it in a company's accounting system.. This is the official definition.imple Transactions. Some transactions are simple exchanges. Paying two dollars for a cup of coffee is a business transaction. Getting a haircut, eating at a restaurant, even buying something expensive like a washer or dryer can be a simple transaction.