In Chinese astrology and feng shui, the concept of wu xing is of utmost importance. Feng shui without using the wu xing theory is not feng shui but a joke. In Chinese Medicine, Astrology and Fengshui, the idea of Wu Xing is used extensively.
Water dominates in winter, wood in spring, fire in summer, metal in autumn.
At the intersection between two seasons, the transitional period is dominated by earth. It is customary in Chinese writing to summarize a longer phrase into a couple of characters. Sometimes the meaning is completely lost in the abbreviated form if the original phrase is not referred to. Wu Xing is one such example. This is the deficiency of a word for word translation.