Okay kiddo, do you know what a language is? It's when people use words and sounds in a certain way to communicate with each other. Now, some people believe that there is a special language that only the sun can speak. This is called the sun language theory.
The idea is that the movements and positions of the sun, as well as the colors and brightness it gives off, all have meanings and can communicate something. So, people who study this theory try to figure out what the sun is saying by watching it carefully.
For example, some people might think that a really bright sunrise means that it's going to be a good day, while a cloudy and gray day means that it might rain. Others might believe that the sun's movements across the sky show that it has a lot of power and is in charge of everything around us.
Of course, not everyone believes in the sun language theory, because there's no scientific evidence to prove it's true. But, it's still an interesting idea to think about!