The main ingredient in a traditional taco is typically corn, specifically in the form of corn tortillas. These tortillas serve as the base for a variety of fillings, which can include meats like beef, chicken, or pork, along with fresh vegetables, cheese, and various salsas. Tacos are versatile, allowing for different regional variations and personal preferences. From the hard-shell tacos in North America to the soft corn tacos of Mexico, this dish celebrates a rich culinary heritage and is enjoyed all over the world.