+**XML** (Extensible Markup Language) is a simple, flexible [markup language](/wiki/Markup_Language) designed to store and transport data. It provides a set of rules for encoding documents in a format that is both human-readable and easily processed by [machines](/wiki/Machine). Its power lies in allowing users to define their own tags.
+## See also
+- [HTML](/wiki/HTML)
+- [JSON](/wiki/JSON)
+- [Data](/wiki/Data)
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