Their approach was through magic. The arrow struck the reindeer or bison in a painting, thus it would come to pass. A leaf from the liverwort plant looks like a liver and thereby was thought to be an effective cure for liver ailments. Those immersed in the magical universe know that if two things in the world have once touched one another, they are always in contact. Anthropologists have never found a culture that didn't create its own magical universe.
Magical connections are inherent in our thought patterns.
The magical universe inhabits the twilight of our psyches. The magical universe was gradually shoved out of its position of prominence by the rise of the religious universe. Later, the scientific universe eventually came to the fore. Each of these three universes seeks different ways of explaining the world around us. They ask different questions and arrive at answers by very different approaches.