Ben Witherington III provided a wonderful description of the Incarnation back a couple of months ago. I finally had a chance to go through it, and wanted to recommend it to you.
“Incarnation is a big word, and sadly, not a lot of Christians either use it, or know what it means. It does not refer to the same thing as the virginal conception, though the latter is the means by which the incarnation of the Son of God took place. Incarnation refers to the choices and acts of a pre-existent divine being, namely the Son of God, that the Son took in order to become a human being. He took on flesh, and became fully, truly human without ceasing to be fully, truly divine. Divinity is not something Jesus acquired later in life, or even after his death and resurrection. According to the theology of Incarnation he had always been the divine Son of God, even before he became Jesus, a human being. Strictly speaking the name Jesus only applies to a human being….”
Read the full article: http://www.patheos.com/blogs/bibleandculture/2012/12/23/the-meaning-of-incarnation/