Any ideas of a desert depicted in our minds depend significantly on the deserts we have seen in pictures, films, and documentaries. We are usually taught that a desert is a warm place with sand as far as the eye can see in all directions. It has no flora save for a cactus or two, an abundance of blistering sunlight, and a complete lack of water, which causes a mirage, which is frequently vital for the plot. What is the truth about deserts, regardless of popular belief? To begin, there are various desert types, each with its own set of characteristics that shape the nature of the desert.