Open and Closed Questions

What are open and closed questions? Well, an open question is a question where they have more than one answer and an closed question is whe it only has one answer for example How old are you? Where are you from? Those are closed questions because if I answered them I would say 11 and I'm from New Zealand. And here are some open questions What is an Open question? What is an musical production? Now you know what Open and Closed questions are.