In so many words,  the act of being human. 

 

Intricate [in-tri-kit] 

having many interrelated parts or facets; entangled or involved:

complex; complicated; hard to understand, work, or make

           Geometry [jee-om-i-tree] 

* the branch of mathematics that deals with the deduction of the properties, measurement, and relationships of points, lines, angles,and figures in space from their defining conditions by means of certain assumed properties of space.

* the shape or form of a surface or solid.