Melchior Broederlam was heavily influenced by the Trecento style of painting. Trecento style was created during the Renaissance era. It centers on the Italian culture.
Broederlam was able to demonstrate his style by making panel painting of the Christian culture. Broderlam was said to paint a panel painting of the Flight to Egypt, Presentation in Jerusalem and the Annunciation and the Visitation.
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