Final answer:
Revealing shapes and forms is also a primary function of stage lighting, in addition to visibility. Lighting can also assist in creating mood and reinforcing style, and provide a selective focus and an artistic visual composition. The correct answer is option 4: All these answers are correct.
Step-by-step explanation:
Yes, revealing shapes and forms is also a primary function of lighting in addition to visibility. Lighting can be used to highlight specific shapes and forms on stage, creating a visual focus for the audience. It can also be used to shape the stage picture and enhance the appearance of the scenery and costumes. Lighting plays a crucial role in creating mood and reinforcing the style of a production, and it can be used to provide a selective focus and an artistic visual composition.
All these answers are correct, so option 4 is the correct choice.