In a 'the great big enormous carrot story', it could go like this. There was a magical garden where everything grew to an extraordinary size. Among the plants, there was this great big enormous carrot. A little rabbit discovers it and tries to take a bite. But the carrot is so big that the rabbit can't even make a dent. So, the rabbit decides to call all his friends - the squirrels, the birds, and the mice. Together, they try to figure out a way to share this gigantic carrot.
Well, if we think about a 'the great big enormous carrot story', it could be a folktale. Maybe it starts with a farmer who plants a single carrot seed. But this seed grows into a carrot so huge that it becomes the talk of the town. The townspeople might be amazed and start to wonder what they can do with this giant carrot. Some might want to eat it, others might want to display it at a fair.