There are a great many descriptions of Chi and all are correct in one way or another.  The Yin Yang symbol epitomises constant change and it is this change that gives rise to energy.  All things, all manifestations of action, thought, intent are versions of the same chi.   In the body of a living creature, the life force circulates and it is in the practices that a balance is sought to regularise the even flow of life energy.  In the martial arts, it is used to supplement action.  In the meditation classes, to find inner peace and harmony of mind, body, spirit and soul.   Each Thursday evening for the past over 20 years unique sets of exercises and meditations are taught to offer tools for a better way of living, spirituality and attitude towards others, a sense of well being and Oneness with the Universal energy for healing ones self and others.  Traditional forms such as BaDuanJin, Shibashi, DaoYin and others are also taught to a high level of expertise.