Bilateral symmetry-the balanced arrangement of similar or equivalent elements on opposite sides of a median axis so that only one plane can divide the whole into essentially identical halves.Requires the balanced arrangement of equivalent patters of form and space on opposite sides of a dividing line or plane, or about a center or axis.A symmetrical condition cannot exist without implying the existence of an axis or center about which it is structured.The termination points of an axis send and receive visual thrust.Can also be established simply by a symmetrical arrangement of forms and spaces.Notion of an axis may be reinforced by defining edges along its length.Qualities of length and direction and induces movement and promotes views along its path.Although imaginary and not visible, can be a powerful, dominating, and regulating device.Most elementary means of organizing forms and spaces in architecture.
#Datum in architecture series#
![datum in architecture datum in architecture](http://2.bp.blogspot.com/-szntOY4GjWU/UXZcm0uplYI/AAAAAAAABkM/io2Foa9wG7I/s1600/bigdata.png)
Chapter seven details the various principle of design that are fused together with the other elements we have studied. It is a strong summation of what we have learned thus far. This chapter is the last chapter in our exploration of forms and spaces.