Yin and
YangYin and
Yang(and other important concepts)
Yin & Yang in Chinese Medicine http://academic.brooklyn.cuny.edu/core9/phalsall/texts/yinyang.html
Early Chinese World View http://www.uwec.edu/academic/curric/greidebe/Chinese.Japan/Chinese.Early.Religion.notes.htm
Five basic elements http://www.chinesefortunecalendar.com/5EBasic.htm
Feng Shui Ultimate Resource http://www.qi-whiz.com/
What is Feng Shui? http://www.168fengshui.com/Articles/whatis.htm
Homepage of Chinese Medicine http://academic.brooklyn.cuny.edu/core9/phalsall/studpages/collado/
Chinese Herbal Medicine http://academic.brooklyn.cuny.edu/core9/phalsall/studpages/friedberg/chineseherbs.htm