Which of the following accurately describes a star trap?

A star trap is accurately described as a trap with hinged doors for actor entrances. This type of trap is used in theatre to allow performers to enter or exit the stage from below, creating dramatic effects and enhancing the movement of the performance. The hinged doors make these entrances and exits more fluid and less disruptive to the action on stage, as they can be opened quietly and quickly.

The other choices do not accurately convey the function of a star trap. A mechanism for sound effects refers to technical equipment unrelated to actor movements. A storage area for props under the stage serves a different purpose, focusing solely on maintaining the organization of stage materials rather than facilitating actor entrances. Similarly, a trap used for stage lighting effects describes a different tool used to manipulate lighting rather than serve as a passage for performers.