Is There A Way To Question Other People's Questions?

In what way you want to question other people's question?
If you find any question as abusive, you can Report that question by clicking on "Report" button.
If you cannot understand the question completely. Then you can ask the details either on that question poster's shoutbox or you can ask it in your answer to that question.
If you think that question is improperly implemented, you can give your suggestion in your answer or in question poster's shoutbox.