They are exactly 3/4th of an inch apart
Where is the map? I don’t see it
tonality, one voice,several voice, harmony, resulting sound
Answer
A religious artwork of Christ , the Virgin Mary or a Saint that was used to honor the figure was called Icon.
Explanation
Icon refers to an image with a religious content, meaning and usefulness. The style used in an art does not make a painting an icon but the subject, meaning and application. Not all representations of a religious subject is an Icon. Icons in modern days are used as symbols to give people a kind of symbolic image of holy persons in heaven.
I believe it's a hue but I'm not 100% sure. Sorry.