19. An interface system according to claim 18 , wherein where a given data string in the first data dictionary is mapped to a plurality of data strings in the one or more other data dictionaries, said data strings are prioritized via the configuration means for ease of selection by the user.
18. An interface system according to claim 15 , wherein the one or more data dictionaries comprises two or more data dictionaries, wherein the data processor is configured to maintain lookup chains between the two or more data dictionaries such that a given data string in a first data dictionary is mapped to at least one data string in one or more other data dictionaries of the two or more data dictionaries for selection by the user.