Difference between idea and question in Korean
생각·물음

생각idea
An idea is a thought in your mind, like a plan, answer, or opinion. In Korean, 생각 means an idea or what you think. You can use it at school when you share ideas in class or tell someone your opinion.

물음question
물음 means a question. It is used for something a person asks when they want an answer. In school, you can use it for a teacher’s question or a question on a test or worksheet. It is a simple word for something you answer.
The difference
생각 means an idea or thought in your mind. It is not a question that needs an answer.