Clear up and Drop curtain

Clear up verb - To make plain or understandable.

Drop curtain and clear up are semantically related. In some cases you can use "Drop curtain" instead a verb "Clear up".

Drop curtain noun - A curtain that can be lowered and raised onto a stage from the flies; often used as background scenery.

Clear up and drop curtain are semantically related. Sometimes you can use "Clear up" instead a verb phrase "Drop curtain".