In my personal opinion art is a little easier than science since im more on the creative side :)
Answer:
Myths are not true stories and are usually passed down from generation to generation.
A legend is a story of a certain person, supernatural entity and the like.
A visual metaphor is representation of a thing, object, place or person by way of visual image that suggests or shows relativity or similarity with something or someone.
A belief is could not be true to all but could be accepted as a fact within a certain group of people, culture or individual.
Answer:
An octave.
Explanation:
One octave (eight tones) up or down from a note will get you to the same letter note but in a different pitch.
I hope this helps! Please comment if you have any questions.