The meaning of human: the original meaning of human refers to the length, which is the same as the commonly used word "long". The latter means soft.

The meaning of neon: the outer ring of rainbow. Sometimes the phenomenon of light appearing in the atmosphere at the same time as the rainbow is caused by the same reason as the rainbow, except that the reflection of light by water droplets is twice as much as that when the rainbow is formed, and the order of color bands is opposite to that of the rainbow, with internal infrared purple.