The basic component of a taco is a soft tortilla (tortilla), which serves as the "coat" of the taco and tightly wraps the ingredients inside. Traditional taco toppings include grilled meat, fresh lettuce, tomato, avocado, and spicy salsa. Modern tacos have developed infinite creativity on this basis, adding various seafood, vegetables and even dessert elements, making the types and flavors of tacos ever-changing.