[ Advertising services; ] arranging and conducting exhibitions, trade fairs and trade shows, whether professional or for the general public, and all events for commercial or advertising purposes; hosting commercial or advertising events as part of exhibitions, trade fairs and trade shows, whether professional or for the general public, for commercial or advertising purposes, [ computerized file management, ] administration of exhibition sites, organizing and running rented spaces and stands for commercial or advertising events as part of exhibitions, trade fairs and trade shows, whether professional or for the general public, for commercial or advertising purposes; organization of business meetings in the context of trade fairs, colloquiums, conferences, congresses, exhibitions and fairs, for commercial or advertising purposes; [ database compilation, namely, compiling data on-line, systemization and gathering of information into computer databases, ] business management of performing artists [, outdoor advertising, document reproduction, publication of publicity texts, arranging newspaper subscriptions for others, arranging subscriptions for others to all information, text, sound and/or image media, particularly in the form of electronic and digital publications; publicity columns preparation namely, publication of publicity materials, direct mail advertising services, rental of advertising space ]