It's not a simple answer, but http://en.wikipedia.org/wiki/Orchestration_(computing) http://en.wikipedia.org/wiki/Orchestration_(computing) characterizes it as

It's not a simple answer, but http://en.wikipedia.org/wiki/Orchestration_(computing) http://en.wikipedia.org/wiki/Orchestration_(computing) characterizes it as * Composing of architecture, tools and processes used by humans to deliver a defined Service. * Stitching of software and hardware components together to deliver a defined Service. * Connecting and Automating of work flows when applicable to deliver a defined Service.