A prop is something an actor, whether In-Universe or Real Life, physically holds or interacts with in a production. Actors use props to connect their performances to reality which helps establish Willing Suspension of Disbelief for the audience.
Die, Chair, Die! - TV Tropes
Boom in the Hand - TV Tropes
Genshin Impact - Adepti / Characters - TV Tropes
Close Range Combatant
Butter Face - TV Tropes
Uncredited Role - TV Tropes, qui gon jinn mbti
Ghostbusters / Referenced By - TV Tropes
Prop Hunt (Video Game) - TV Tropes
Shout-Out - TV Tropes
Women Are Wiser - TV Tropes
Another / Characters - TV Tropes, another anime characters