Question

What is the actual meaning of the term "Dynamic range"?

Answer 1

dynamic tends to mean moving, mobile, in motion, in flux, changing

range tends to mean the extent to which something can before it fails.

Answer 2

dynamic range; "the range of acceptable or possible volumes of sound occurring in the course of a piece of music or a performance."

Answer 3

Dynamic range, abbreviated DR or DNr is the ratio between the largest and smallest possible values of a changeable quantity, such as in signals like sound and light. It is measured as a ratio, or as a base-10 (decibel) or base-2 (doublings, bits or stops) logarithmic value.