What is lunette plaque or l?

A lunette plaque is a decorative relief sculpture or panel that is typically crescent-shaped or semi-circular, often used in architecture and art. It commonly adorns the spaces above doors, Windows, or altars, serving both aesthetic and symbolic purposes. Lunette plaques can feature various motifs, including religious themes, mythological figures, or floral designs, and are prominent in various art styles throughout history, particularly in the Renaissance and Baroque periods.