What does the "Who are you?" mean?

what do you mean who are you What does the Olympics mean for you What does the Olmpics mean for you? what's mean "know and love who you really are" 1.what do you mean by...=what does...mean?=what's the meanin What does the word “failure” mean to you? What does the word “success” mean to you? what does the university life mean to you what does the word mean? what does the man mean What does the picture mean? what does the sign mean.