This picture shows the over all structure of our universe. Although this is just a small piece you can see that matter is organized in strands, or strings.
Lets start from the beginning.
The Earth revolves around the Sun. The Sun in turn revolves or circles the center of the galaxy. Our galaxy is part of a group of galaxies called the Local Group. The Local group of galaxies are all part of a cluster of galaxies called the Virgo Cluster. Now here is where it gets fun.