It was invented by Alhazen so I don't know if the same applies.
Answer:
I love YUNGBLUD and Machine gun kelly
Explanation:
Negative space enclosed by letterforms is called counters.
Negative space is white space that letters such as O or D have (enclosed white space within the letter). Well, in typography, that white/negative space is called a counter, or aperture, or inner space, or enclosed space.
Answer: Distance, using warm and cool colors.
Explanation: Warm colors are associated with the foreground, and cool colors are used on objects in the distance.