XAML (See Transaction Authority Markup Language.)
Definition: The portion of the electromagnetic spectrum ranging from about 7 to 8 GHz. Frequencies in this band are used primarily for military satellite communications.
XBRL (Extensible Business Reporting Language)
Definition: Designed to facilitate network-based information sharing among public and private companies and industry analysts, XBRL is an XML specification for publishing financial information of corporations and organizations. It can be used to facilitate the preparation, sharing, and analysis of information such as financial reports, annual reports, financial statements, and audit schedules. (See also XML.)
XDS (Extended Data Service)