The author's answers are as follows ; 1. The relationship between the ideas of "formal structure" (proposed by Hisao KOYAMA) and "basic form" was described. 2. There could be seen 5 vertical layers in the section of the work, but the composition should be considered as a result of horizontal triple enclosure. 3. Both design process and built work should be studied complimentarily, because each has its own methodological advantages to the other.
