1. Also, a bank account is an account that a customer opens with a bank and to which he can send, deposit or withdraw money at any time. The customer may make deposits and withdrawals in cash or by means of wire transfers, depending on the bank's offer. For an individual, it is usually used to transfer wages, social benefits or other income and, in turn, to receive regular payments related to the running of the household and the purchase of goods and services. 2. net flow of goods, services and unilateral transactions (gifts) between countries.