Definitions of Dramaturgy

"NOUN: The art of the theater, especially the writing of plays"
http://www.geocities.com/amylynnhess76/whatsadramaturg.html

"noun - the craft or the techniques of dramatic composition."
http://dictionary.reference.com/browse/dramaturgy

"Dramaturgy is the art of dramatic composition and the representation of the main elements of drama on the stage."
http://en.wikipedia.org/wiki/Dramaturgy