[{"Bold_text": "adjective", "List Items": ["occurring within a motion picture or television show or in an actor's professional life:a raucous on-screen personality that was at odds with his quiet private life.", "displayed on a television screen; supplied by means of television:an on-screen course in economics."]}, {"Bold_text": "adverb", "List Items": ["in a motion picture or television program or in one's professional life:On-screen he's a villain."]}]