In terms of which art? Visual? Music?
If you are asking in general then the most common meaning of “strands” are ways to identify skills and principles. That’s what we mean when the term is brought up
Eight things we call art is paintings, drawings, clay sculptures, music, poetry, pottery, dance, and song.
Harmony, as it is the only answer that includes multiple sounds at the same time.
Best colors for emphasis are white. orange. purple.
