Either A or C. I know it's part of the byzantine empire.
Answer:
Holy, did you draw undyne from undertale?!
Explanation:
Those are scales. the highlighted notes (aka the guide tones) are notes in that specific chord that give a harmonic pull towards the next chord. generally they are the 3rd and 7th note (that’s what determines what type of chord it may be: major, minor, major-minor, or dominant). they are the most harmonically important notes in the chord since they determine the quality of the chord itself, so make sure they are in perfect tune.
Draw every line from the vanishing point. Every line should either be vertical or parallel and completely straight. Remember that you are basically just drawing lines and boxes.
The answer would be the third option. "They could be made using formulas, could show ideal beauty, or could be realistic."
Hope this helps! :)