Which of the following statements is true about refresh rate?

Which of the following statements is true about refresh rate?

A.
It is the maximum amount of information (bits/second) that can be transmitted along a channel.

B.
It is the number of times in a second that display hardware draws the DATA .

C.
It is an attribute of visual perception in which a source appears to be radiating or reflecting light.

D.
It is the measure of how often a video source can feed an entire frame of new data to a display.