What is a Cornice in architecture?

A cornice in architecture refers specifically to the decorative molding that crowns or tops the structure, typically found at the junction of the walls and the roof. This element serves both aesthetic and functional purposes. A cornice can enhance the visual appeal of a building, adding dimension and detail to its silhouette. It often features intricate designs, reflecting the style of the building, whether classical, neo-classical, or modern.

The structural importance of a cornice can also include directing rainwater away from the facade and preventing water damage to the underlying materials. This makes it not only a decorative feature but also an element that contributes to the longevity and integrity of a building's structure.

In contrast, the other choices represent distinctly different architectural elements: the main structural support is foundational, while an archway pertains to the design of entrances or passageways, and the foundation is located at ground level, serving as the base of the building. None of these options captures the specific decorative and stylistic role that a cornice plays in the overall architectural vocabulary.