抄録
6 elements (Boundary, Place, Gate, Path, Sign, Periphery) were established and defined as the constituent elements which from the structure of the exterior space regardless of its type or scale. Every combination of 2 out of 6 elements (15 cases) was discussed to identify their mutual relationship. 4 basic constituent elements (Boundary, Place, Gate, Path) were classified into 12 types by the form they take vertically and horizontally in the physical space. 2 typical examples for each classification were chosen to show the visual image of it.
