Jing (Chinese medicine) in the context of "Three Treasures (Taoism)"

The Chinese classics or canonical texts are the works of Chinese literature authored prior to the establishment of the imperial Qin dynasty in 221 BC. Prominent examples include the Four Books and Five Classics in the Neo-Confucian tradition, themselves an abridgment of the Thirteen Classics. The Chinese classics used a form of written Chinese consciously imitated by later authors, now known as Classical Chinese. A common Chinese word for "classic" (經; 经; jīng) literally means 'warp thread', in reference to the techniques by which works of this period were bound into volumes.

Texts may include shi (史, 'histories') zi (子 'master texts'), philosophical treatises usually associated with an individual and later systematized into schools of thought but also including works on agriculture, medicine, mathematics, astronomy, divination, art criticism, and other miscellaneous writings) and ji (集 'literary works') as well as the cultivation of jing, 'essence' in Chinese medicine.

Daoyin is a series of cognitive body and mind unity exercises practiced as a form of Daoist neigong, meditation and mindfulness to cultivate jing (essence) and direct and refine qi, the internal energy of the body according to traditional Chinese medicine. These exercises are often divided into yin positions (lying and sitting) and yang positions (standing and moving). The practice of daoyin was a precursor of qigong, and blended with the introduction of Indian yoga into China with the spread of Buddhism and was practised in Chinese Taoist monasteries for health and spiritual cultivation. Daoyin is also said to be a primary formative ingredient in the yin aspects of Chinese martial arts including the well-known "soft styles" of the Chinese martial arts, of tai chi, and middle road styles like Wuxingheqidao.

The main goal of daoyin is to create flexibility of the mind, thereby creating harmony between internal and external environments, which relaxes, replenishes and rejuvenates the body, developing in its practitioners a vital and healthy spirit.

Dantian is a concept in traditional Chinese medicine loosely translated as "elixir field", "sea of qi", or simply "energy center." Dantian are the "qi focus flow centers," important focal points for meditative and exercise techniques such as qigong, martial arts such as tai chi, and in traditional Chinese medicine. Dantian is also now commonly understood to refer to the diaphragm in various Qigong practices and breath control techniques, such as diaphragmatic breathing for singing and speaking. Along with jing and shen, it is considered one of the Three Treasures of traditional Chinese medicine.