Creation Myths

The term creation refers to the beginning of things, whether by the will and act of a transcendent being, by emanation from some ultimate source, or in any other way. The term myth refers to the imaginative expression in narrative form of what is experienced or apprehended as basic reality.(https://www.britannica.com/topic/creation-myth)

Everywhere around the world people tell stories about how the Universe was created.  These are creation myths. Many creation myths share broadly similar themes.