Why do the light gray bands (labeled Radar, Parallax, etc.) that cover certain ranges of distances in the figure shown below overlap with one another both at the beginning and at the end? 
Definitions:
Interpretation
The action of explaining the meaning of something, often within specific contexts like art, literature, data, or events.
Sensations
The subjective experiences generated by the stimulation of a sense organ, such as sight or smell.
Sound Waves
Vibrations that travel through the air or another medium, perceived as sounds when they reach a person's or animal's ear.
Amplitude
The height or strength of a wave signal, which in the context of sound, affects the volume, and in light, influences brightness.
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