What do you want?What do you want to do?的区别.并且怎样回答.回答是I want

what do you want 意思是：你想要什么?【东西】
what do you want to do 意思是：你想要做什么事情?
回答是：i want to go shopping 我要去购物.
那么问句当然是：
what do you want to do 意思是：你想要做什么事情?
祝好!