A trade fair (trade show, trade exhibition, or expo) is an exhibition organized so that companies in a specific industry can showcase and demonstrate their latest products and services, meet with industry partners and customers, study activities of rivals, and examine recent market trends and opportunities.

Trade fair is an event in which firms belonging to the same industry present their products and services in a defined setting to prospective clients, end-users, retailers, wholesalers, and distributors. Some trade fairs have a massive audience as they can attract visitors and participants from every nook and corner of the world.

things produced in a developing country by people who have good working conditions and fair pay, and who are paid a fair price for their goods: Consumers are increasingly choosing fair trade products. (Definition of fair trade from the Cambridge Business English Dictionary © Cambridge University Press)