The dai-su, 台子, support-of, utensils display stand, is composed of a rectangular ji-ita, 地板, earth-board, and ten-ita, 天板, heaven-board, supported on four corner posts, which are identified with the four seasons. The daisu may be placed where it is needed. Water for tea is heated in a kama, supported on a portable brazier, fu-ro, 風炉, wind-hearth. Because the charcoal fire heats the furo, the furo is placed on the jiita to protect the tatami flooring. This is the model by which all portable braziers are employed, and although not called by its function, but is the origin on the shiki-ita, 敷板, spread-board. The model for the daisu...