An objects position is always defined relative to a reference point. if the object changes position, its motion can be described as moving in some direction in relation to this reference point.

if the relative position of a diver is begin described as below a certain reference point midway through a dive, what reference point is most likely being used

a. the bottom is the swimming pool

b. the diving board

c. other swimmer in the water

d. the far side of the swimming pool