This XML schema file defines the common elements and types shared by the entire schema. The type definition of a NameValuePair. Name of the NameValuePair. The type definition of a user data area. The element definition of a user data area. The type definition of a quantity. The quantity value. The unit of measure. The type definition of a monetary amount. The value. The currency. The type definition of a unit price. The unit price in default currency. The unit price in other currencies. The quantity of a unit. The type definition of unit of measure. The type definition of Language The type definition of Currency code as per ISO 4217 standards. The type definition of enumeration extension The type definition of Description. An type definition for a Character.