The audience would understand that a play is moving to a new scene when there is a change in settings and environment presented during the play. This couls be a change of scenery/set, the lighting, and the props change. Some plays actually use a blackout, fade, to show a change of scene.
it is not personification because the fly would have human features an dact like a human and talk and things like that that is what personification is hope this helps
