List data types have values that consist of a finite length sequence of values of an atomic data type. List data types are made up of a sequence atomic data types.
There are three built-in list types: NMTOKENS, IDREFS, and ENTITIES.

List data type elements may contain some attributes, which are described by http://www.w3.org/TR/xmlschema-1/#declare-datatype.

Refer to the XML Schema Part 0: Primer for more information on the list data type.