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  Anatomy of an XBRL Taxonomy-Schema
l      According to XBRL 2.1 Specification released by XBRL International:
l     “A taxonomy is defined as an XML Schema and the set of directly referenced extended links and any extended links that are nested within the XML Schema.”
l     In other words: A Taxonomy is made up of a group of interrelated XML files: XML Schema File (.xds file) and Linkbase Files (.xml files)
lXML Schema
l     The XBRL taxonomy schema file defines the actual concepts (elements) that form the basis of a taxonomy. It stores their names, data types, period type, how they can be utilized, etc. The properties of schema elements are defined in the XBRL 2.1 Specification.