(1) The name of the library containing the object and the name of the object. See also object name.
(2) A data name explicitly accompanied by a specification of the class to which it belongs in a specified classification system.
(3) In C++, a name that is used to qualify a nonclass type name, such as a member, by its class name.
(4) A data set name consisting of a string of names separated by periods; for example, TREE.FRUIT.APPLE is a qualified name.
(5) A name that conforms to the Namespaces in XML specification. A QName consists of an optional prefix, or its associated URI, and a local name. See also expanded QName, in-scope namespace, lexical QName.