The answer is "open question".
Open questions are questions which can't be replied with just 'yes' or 'no'. A considerable lot of them start with 'what': why, where, who and so on. Open inquiries can be contrasted with shut inquiries, which require just yes or no answers.
Utilizing open questions can be frightening, as they appear to hand the stick of control over to the next individual. Be that as it may, very much set inquiries do abandon you in charge as you steer their advantage and connect with them where you need them.