Abstract: A terminal for use by a list broker, a terminal for use by a list manager, and a terminal for use by a service bureau (list provider) of a supply chain in the list industry, each terminal including means for translating to and/or from native format an indication of a subset of a list expressed in XML. An intermediate node is also provided, for optional use as a router and validator of XML statements exchanged between the elements of the supply chain. Advantageously, the indication of a subset of a list expressed in XML is provided using terms (tagged field values serving as select filter parameters) from a with the tags according to a list of terms in an XML schema description, and the possible values, in some embodiments, according to a predetermined “lingo” or, in other words, a standardized vocabulary. Corresponding methods are also provided.