I think the answer is Prove, this is just my guess..
Though family is important you need to follow your dreams and your path because that is your happiness they are ruining by telling you, you should be someone you don’t want to me. Have a open conversation to them and speak about how you feel, if they don’t accept your decision that’s their loss because i bet you will be an amazing singer
It provides light to a picture which reaches a sensor by shutter speed. Exposure brings out the light in pictures and is useful when you take a pic that is dark