artistic skill, n.All

Artistic skill (n.) of ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠the deepest kind is known the way one knows how to grow one's hair: done again and again, never explained.