What is the purpose of a "garnish"?

The purpose of a garnish is primarily to enhance the presentation, flavor, and texture of a dish. Garnishes are carefully chosen to not only make a plate more visually appealing, which can elevate the overall dining experience, but they often add complementary flavors that can enhance the dish itself. Additionally, a well-chosen garnish can introduce a contrasting texture that adds interest, making the dish more enjoyable.

The other options do not accurately represent the role of a garnish. For instance, enhancing warmth is not a typical function of a garnish; instead, garnishes are more about appearance and taste. A garnish does not reduce cooking time, as it is typically added at the end of the cooking process, not during. Lastly, a garnish is not intended to replace a main ingredient; rather, it serves to accentuate and highlight the existing components of a dish. Thus, option B is the most accurate representation of the garnish's purpose in culinary arts.