幕 (mù): ผ้าม่านหรือหน้าจอ

Before the performance had even started, the heavy curtain in the theater had already slowly opened.

The movie screen suddenly went black for a few seconds, and the audience thought the equipment had malfunctioned.

After the play ended, the actors came out from behind the curtain and bowed to thank the audience.

He projected the map onto the screen with a projector so that everyone could discuss the route easily.