There is an essential relationship between typology and eschatology. Typology is the study of those things which have a common meaning and an integral relationship in scripture. There’s a common purpose, a common pattern in all of history and all the universe. Now that pattern is at all times a discernible thread. There are strands of meaning which govern every moment of time and every atom. But at certain points strong elements of that pattern surface decisively. Thus to cite a very obvious type, Adam is the first man, the head of the humanity. Jesus Christ is the last Adam, the head of the renewed humanity.