noun An original document that is subsequently copied, translated, or transcribed.
noun An original document or record that provides proof of activity that is summarized elsewhere (e.g. case notes, medical chart, diary entry, minutes of a meeting, etc.). A document that provides official notification of a credit or debit to an account, such as a bank statement, bill of sale, invoice, receipt, etc.
noun A document that provides official notification of a credit or debit to an account, such as a bank statement, bill of sale, invoice, receipt, etc.