The answer is interval.
I do have some experience, I'm a pianist and singer.
Which of the following is the best and most complete definition for graphic design?
a.
An artistic and professional form of communication that focuses on the use of symbols and stylistic elements to convey a message.
The answer is minimalist music.
Minimalist music is based in frequent repetition which have small variations of a small musical idea.
Usually, it is a slowly changing common chords and common tones.