The Church Building: external arrangement, internal arrangement, iconostasis, the altar and its furnishing, antimension, the bells, candles and their symbolism. Services: the daily cycle, the weekly cycle. The annual cycle of feasts: the moveable feasts, the fixed feasts. The great feasts: Major feasts of the Church according to the spring equinox and the Jewish Passover, great feasts of the Lord, great feasts of the Mother of God. The Church Year: the Triodion, Pentecostarion, Octoechos (eight tones). The daily cycle of the services. The evening service: the order of little vespers, daily vespers, the order of great vespers, first hour, the order of matins in the Holy and Great 40-day fast. The Church year: fasting seasons, fast-free weeks, fast days, concerning fasting, pre-Lent.