Function shares a circular relationship with form, thus the circle is the most basic, and, also, the most complex, form. Duplication forms the function for unification. Duplication functions as the form for unification. Thus, the circular relationship between a unit and a group, noun and verb, subject and object, singular and plural, negation and affirmation, movement and stillness, past and future, abstract and concrete, hidden and showing, symbolic and real.