Gestalt

(Art by Frederick S. Perls)

A physical, biological, psychological, or symbolic configuration or pattern of elements so unified as a whole that its properties cannot be derived from a simple summation of its parts.

(cited from)
Modern Language Association (MLA):
"gestalt." The American Heritage® Dictionary of the English Language, Fourth Edition. Houghton Mifflin Company, 2004. 27 Sep. 2007. .