XML stands for Extensible Markup Language is a simple text-based format for representing structured information: documents, data, configuration, books, transactions, invoices, and much more. It was derived from an older standard format called SGML (ISO 8879), in order to be more suitable for Web use.
XML Used For?
XML is one of the most widely-used formats for sharing structured information today: between programs, between people, between computers and people, both locally and across networks.