Which of the following statements best describes the transverse axis of a hyperbola?

A. It equals the quotient of the distances from any point on the
hyperbola to each focus.

B. It equals the product of the distances from any point on the
hyperbola to each focus.

C. It equals the sum of the distances from any point on the hyperbola
to each focus.

D. It equals the difference between the distances from any point on
the hyperbola to each focus.