A thick slightly sweet and tangy sauce made from tomatoes, vinegar, sweetening agent, seasoning, salt and spices.
It is used as a condiment for French fries, burgers, hotdogs, chicken tenders, potato wedges and other foods as per your palate. It can also be used as an ingredient for making other sauces.The market leader is Heinz followed by Hunts in North America (WIKI).
Other flavours of Heinz Ketchups include Sriracha, Jalapeño and Hot and Spicy. Sugar free and salt free ketchups are also available.