What Is the Function of the Sign at Cana in John 2:1-12?

In the Gospel of John, John writes about the seven "signs" that Jesus preformed for the duration of his public ministry. John uses the seven signs to lead up to the climax of Book III, "The Book of Glory". John additionally uses the "signs" to construct his bases for establishing Jesus is the Messiah, the Only Son of God. He ingeniously selected these particular seven signs to do this and acknowledges Jesus has done several more signs; however, ascertains these seven to be most proper. Before getting started, one must comprehend why John was compelled to label the altering of water into wine a "sign" and not a miracle. A sign, defined by McKenzie, "is the symbol which indicated the existence or the presence of that which it signifies; it directs the attention to the reality signified"2. A "sign" is a type of a miracle, except it personifies and emphasizes the spiritual truth of Jesus Christ. John is not bothered with the results nor bothered with precise particulars during these events and therefore, "sign" is an appropriate word. …