(1) The smallest unit of data manipulated in SQL.
(2) In DCE X/Open Object Management (XOM), an arbitrary and complex information item that can be viewed as a characteristic or property of an object.
(3) In programming, the alphabetic or numeric contents of a variable or a storage location.
(4) The content of a data item. This can be an integer, a string, or the handle of another data bag.
(5) An element of a type domain.
(6) The content of a variable, parameter, special register, or field.
(7) A specific data item at the intersection of a column and row.