Joseph Smith claimed that God ordained him to “restore” the church. He describes the need for this “restoration” in his first vision, where he said,

My object in going to inquire of the Lord was to know which of all the sects was right, that I might know which to join. No sooner, therefore, did I get possession of myself, so as to be able to speak, than I asked the Personages who stood above me in the light, which of all the sects was right (for at this time it had never entered into my heart that all were wrong)—and which I should join.

 I was answered that I must join none of them, for they were all wrong; and the Personage who addressed me said that all their creeds were an abomination in his sight; that those professors were all corrupt; that: “they draw near to me with their lips, but their hearts are far from me, they teach for doctrines the commandments of men, having a form of godliness, but they deny the power thereof.”

 He again forbade me to join with any of them; and many other things did he say unto me, which I cannot write at this time.[1]

This raises some key questions that must be answered. What exactly is the great apostasy? What did the church lose that needed to be restored? What is the church, for that matter? The answers to these questions are the hinges upon which the door of truth swings concerning the claims of the first vision. This issue is so vital that in the preface to the 1993 printing of The Great Apostasy by Elder James Talmage, the publishers stated,