Live performances, namely presentation of pantomime and dancing; presentation of Korean musical performances; management of theatres; digital imaging services; production of radio and television programs; presentation of dance performances; production of video films; production of shows; presentation of plays; theatre productions; organization of entertainment groups; entertainer services; distribution of films; exhibition of cinema films; film production; publication of books; publication of electronic books and journals on-line; providing on-line electronic, non-downloadable publications; organizations of exhibitions for cultural or educational purposes