concinnity: The harmonious reinforcement of the various parts of a work of art.
Call it corporate social responsibility at work if you wish, but we simply think that under Howard Shultz's inspired and inspiring leadership Starbucks is just a damned well-managed company that has achieved the concinnity that distinguishes companies operating under the nontraditional FoE business model. (Google Book's source)
Since I don't have OED access, can anybody say from where this metaphorical usage of the noun 'concinnity' comes? And what is, precisely, its meaning in non-literary contexts?
P.S. Considering the relevance of this word in an economics context, I tagged this question by 'economics' tag.