Definition: 'Cha' means 'tea' in Korean, so 'hong cha' means 'red tea' and 'nok cha' means 'green tea'. Korean tea is different from many Western teas as many of them are not made from common tea leaves, but fruits, grains, and roots.
By Naomi Imatome-Yun, About.com Guide
Boricha (Korean Barley Tea)
Naomi Imatome