Dynamic range refers to the ratio between the maximum and minimum measurable values of a quantity, such as sound, light, or data. In various fields like photography, audio engineering, and signal processing, dynamic range signifies the range of intensities, amplitudes, or values that a system can accurately capture or process. For instance, in photography, it denotes the span between the darkest and brightest tones a camera sensor or film can record without losing detail. In audio, it represents the range between the quietest and loudest sounds a recording device can capture without distortion. A higher dynamic range allows for a broader spectrum of values, enhancing the fidelity and accuracy of measurements or representations in diverse applications.