In a computer graphics system that uses Cartesian coordinates, what does the point (5, -3) represent?
A) A location 5 units to the right and 3 units up from the origin.
B) A location 5 units to the right and 3 units down from the origin.
C) A location 5 units to the left and 3 units up from the origin.
D) A location 5 units to the left and 3 units down from the origin.