Dantian, dan t'ian, dan tien or tan t'ien is loosely translated as "elixir field", "sea of qi", or simply "energy center". Dantians are important focal points for meditative and exercise techniques such as qigong, martial arts such as t'ai chi ch'uan, and in traditional Chinese medicine.
"The most popular Tai Chi form, Beijing standardised (simplified) 24 Forms. The performance is by Angela Hsu Cantafio, a gold and silver medal national and international champion. The form is demonstrated in side view. Angela's masterful play of Tai Chi is filmed in Sydney, Australia. Camera and editing by Dan Stefan, 2008."