What is miso and is there more than one type of miso?

Miso is a Japanese word that means "fermented beans." Miso is usually found in the form of a thick paste, and the beans used during fermentation are almost always soybeans. During the soybean fermentation process, grains like barley, rice, or ...

from The World's Healthiest Foods http://ift.tt/1qhNEVG