A "cuña" is a type of wedge-shaped object often used in various applications, such as construction and woodworking. It is designed to create space or hold objects in place by being inserted into a gap. Cuñas can be made from different materials, including wood, metal, or plastic, depending on their intended use. In the context of advertising, a "cuña" refers to a short audio or video spot that promotes a product or service. These brief advertisements are typically broadcast on radio or television and aim to capture the audience's attention quickly. They are an essential tool in marketing strategies to increase brand awareness and drive sales.