Final answer:
The Baroque period is best known for decoration, extravagance, and its dramatic, emotional, and grand styles in art and architecture, particularly through the use of chiaroscuro and tenebrism.
Step-by-step explanation:
The Baroque period is best known for its decoration, extravagance, and additionally, its emphasis on drama, intense emotions, and the grandeur of scale in art and architecture. One of the defining characteristics was the use of chiaroscuro and tenebrism, techniques that play with light and shadow to create a powerful visual impact, often used to convey spiritual intensity and depth. Baroque architecture often celebrated the might and wealth of the Catholic Church through magnificent structures designed to awe and inspire the public. Baroque art, including painting and sculpture, was characterized by a dynamic, theatrical quality, with a sense of movement and heightened dramatic effect that was intended to evoke an emotional response in the viewer.