Geographic MetaData (GMD) extensible markup language is a component of the XML Schema Implementation of Geographic Information Metadata documented in ISO/TS 19139:2007. GMD includes all the definitions of http://www.isotc211.org/2005/gmd namespace. The root document of this namespace is the file gmd.xsd. This distribution.xsd schema implements the UML conceptual schema defined in A.2.10 of ISO 19115:2003. It contains the implementation of the following classes: MD_Medium, MD_DigitalTransferOptions, MD_StandardOrderProcess, MD_Distributor, MD_Distribution, MD_Format, MD_MediumFormatCode, MD_MediumNameCode. Information about the media on which the data can be distributed Technical means and media by which a dataset is obtained from the distributor Common ways in which the dataset may be obtained or received, and related instructions and fee information Information about the distributor Information about the distributor of and options for obtaining the dataset Description of the form of the data to be distributed