This profile leverages the power of an ISO/IEC 11179 Metadata Registry (here after called “metadata registry”) to add mapping metadata to an annotated data capture form at the point of form design.  ISO/IEC 11179 is a “standard for metadata-driven exchange of data in a heterogeneous environment” (http://en.wikipedia.org/wiki/ISO_11179).  The core object of ISO/IEC 11179 is the data element, which includes a data concept and data representation.  The term “data element” in ISO/IEC 11179 refers to the structure of the data, and is distinct from a data instance. This profile describes the exchange of metadata, rather than the exchange of data instances. (footnote 1)
