Refer to the figure below, and then answer the following question(s) .
-The missing label indicated by a "1" corresponds to the:
Definitions:
Color Vision
The ability of an organism to differentiate various light wavelengths, enabling it to see and interpret a range of colors.
Hue
A color or shade, representing the aspect of color that is determined by the wavelength of light.
Saturation
The point at which a substance can absorb or dissolve no more of another substance, or in signal processing, the maximum limit of signal strength.
Brightness
A visual perception indicating how luminous an object appears, based on the amount of light emitted or reflected.
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