theatrical activities; theatre work
Refers broadly to activities related to theatre, such as acting, directing, stage production, or drama club participation.
At university, I put effort into theatrical activities.
She made many friends through theatre work.
演劇 means 'theatre' or 'drama' as an art form, while 演劇活動 specifically refers to the activities or work involved in theatre.
舞台活動 is similar but emphasizes stage performance activities, whereas 演劇活動 covers a broader range of theatrical work including backstage and production.
Compound of 演劇 (theatre, drama) and 活動 (activity, action). The exact historical derivation is uncertain, but the meaning is transparent from its components.