In this lecture of her online course on Byzantine Divine Liturgy, Dr. Sr. Vassa Larin discusses the structure and theology of the beginning of the Anaphora of St. John Chrysostom, the "Preface" and "Pre-Sanctus," which includes the themes of thanksgiving, (for) the creation of the world, the economy of salvation, and also a lead-in into the "Sanctus" or "Holy, holy, holy..."
