- This section can use more hierarchical (quasi-Linnaean) refinement in future; extant terms were assembled into a fairly flat and slightly redundant structure to expedite conversion.
- Use for exhibitions in which different exhibitors participate to publicize and promote their products, services, or activities, sometimes though not necessarily involving buying and selling, and often combined with entertainment. For meetings of buyers and sellers at stated times and places for the purpose of trade, use "markets (events)." [April 1996 scope note added; related term added. May 1991 alternate term added.]