In the world of dreams the rules of reality do not necessarily apply. Each dream is unique and it's a direct link to the soul and spirit. Psychology provides its own theories on what dreams mean, but so did tradition and the study of dreams for thousands of years before any relevant science had developed.
Dream Meanings - Elephant
An elephant in your dream means that you will have profit. If an elephant grabs you by its trunk then you will have support from a powerful person.