What is a microtone? Cem Yılmaz vs Prof. Dr. Mark Lindley

What is a microtone? Two different definitions by my teacher Prof. Dr. Mark Lindley and Cem Yılmaz. Which one is easier to understand? Movie: Yahşi Batı by Cem Yılmaz #cemyılmaz #microtonalmusic #microtonalguitar #mikrotonalgitar #perdesizgitar #fretlessguitar