Final answer:
The painting 'Philip IV on Horseback' by Diego Velázquez is an example of a portrait, showcasing the artist's skill in realistic portrayal and his significance as a court painter for the Spanish monarchy.
Step-by-step explanation:
The painting by Diego Velázquez entitled Philip IV on Horseback is an example of a portrait. Velázquez, a prominent figure of the Baroque period, was renowned for his portraiture, particularly of the Spanish royal family. His ability to convey realism and depth in his paintings, as well as his skillful use of color shading and perspective, are evident in this work.
The portrait depicts King Philip IV of Spain majestically on horseback, reflecting Velázquez's unique style and artistic realism. The painting is indicative of Velázquez's status as a court painter for King Philip IV, and it showcases the grandeur of the Spanish monarchy during that era.