What is the purpose of ketchup

Ketchup is a condiment that is used to add flavor to food, typically as a topping for hamburgers, hot dogs, french fries, and other types of fast food. Its primary purpose is to enhance the flavor of the food it is added to, and it is often used as a dipping sauce or a spread on sandwiches. Ketchup is made from tomatoes, vinegar, sugar, salt, and various spices, and it is a popular condiment around the world.