A digital camera’s autofocus feature uses which component to produce the sharpest possible image?
A. the processor
B. the focusing ring
C. the focusing ring

Im not sure but i think is a

No sending a portrait in todays world would not mean the same thing. no i don't think that if the president sent his portrait it would reaffirm a relationship. todays perception of authority is anyone who can make a person do something out of force so sending a picture does not come out as authority it comes out as weak and unknowing.