account

an itemized statement of money owed for goods shipped or services rendered; "he paid his bill and left"; "send me an account of what I owe"
a statement that makes something comprehensible by describing the relevant structure or operation or circumstances etc.; "the explanation was very simple"; "I expected a brief account"
a statement of recent transactions and the resulting balance; "they send me an accounting every month"
a formal contractual relationship established to provide for regular banking or brokerage or business services; "he asked to see the executive who handled his account"
keep an account of