4 cans Chunk light Tuna in Oil Tuny® (5 oz each), 8 corn or flour tortillas, ½ cup finely minced red onion, 1 large tomato, diced, ½ cup shredded lettuce, ½ cup grated carrot, ½ cup corn kernels (optional), 6 to 8 sliced black olives (optional), 2 Tbsp mayonnaise or Greek yogurt (optional), Juice of ½ lime, Fresh cilantro leaves for garnish, Salt and pepper (to taste), Salsa or pico de gallo (to taste)