How does the artist use tenebrism in the piece above?

Look at las meninas by diego velasquez. this painting is a masterful example of the use of:

Brought a new sophisticated and european influence to jazz piano and is today considered one of the most influential pianists of modern jazz. some of his more famous recordings are, sunday at the village vanguad and waltz for debby. he drew influences from the french impressionist composers claude debussy and maurice ravel, as well as bebop pianist bud powell. his playing can be described as lyrical, sensitive, and introspective yet with an underlining commitment to swing.

Artworks made to be used in a ritual context often have what kind of meanings in addition to their appearance and visual impact?