I want to stress a few thoughts here. I want to stress that this book then is not about an idea. It is about a Person. It is a book that tells us about the way that life truly is. We see certain themes in this gospel that tells us especially about who Jesus Christ is- His true identity and the true meaning of His revelation and redemption.
So John comes with the TRUTH about the PERSON, the WORD who created: This WORD was always WITH God. If you read just a little bit of John’s Gospel you find out that John is clearly speaking about the PERSON of the Lord Jesus Christ. The word “THE”, before the word God is so we would not translate it “A” God, and incidentally, in the Greek there is no word for the article “a”. So the Word dwelt eternally with THE ONLY TRUE LIVING God.