ISO 25639-1:2008

ISO 25639-1:2008 specifies terms and definitions that are commonly used in the exhibition industry. They are grouped into the following four categories:

       individual and entity, which lists and classifies the various types of people involved in the exhibition industry,
       type of event, which defines the different types of exhibitions and their related meetings,
       physical item, which describes the various component sizes of the exhibition, the types of facility and print material, and
       miscellaneous.