This document specifies terms and definitions that are commonly used in the exhibition and convention industry with the development of digital economy. They are grouped into the following six categories: — individual and entity, which lists and classifies the various types of people involved in the exhibition and convention industry. — type of event, which defines the different types of exhibitions and their related meetings, including physical, hybrid, and digital exhibition and convention. — exhibition-related activities, describing related activities during the exhibition. — physical item, which describes the various composition sizes, facilities and types of printed materials of the exhibition. Further enriches the vocabulary related to booth design, production, construction and management. — Sustainable exhibitions and convention, which describes terms related to sustainable development in the exhibition and convention industry; — miscellaneous.