Biblical theology is the umbrella-name for those disciplines that explore the unity of the Bible, delving into the contents of the books, showing the links between them, and pointing to the ongoing flow of the revelatory and redemptive process that reached its climax in Jesus Christ. Historical exegesis, which explores what the text meant and implied for its original readership, is one of these disciplines. Typology, which looks into the Old Testament patterns of divine action, agency, and instruction