Knowra Eastern Christianity Eastern Christianity Eastern Christianity comprises Christian traditions that developed in the eastern Roman Empire and neighboring regions, including Eastern Orthodox, Oriental Orthodox, and Eastern Catholic churches.
Eastern Orthodox Church : A communion of self-governing churches that share Byzantine liturgy and communion with the Ecumenical Patriarchate. It is the largest family within Eastern Christianity and preserves Byzantine traditions.
Pentarchy : The traditional ordering of five major episcopal sees: Rome, Constantinople, Alexandria, Antioch, and Jerusalem. Its eastern sees became central institutions in the history of Eastern Christianity.
Roman Catholic Church : The largest Catholic church, headed by the pope and centered historically in Rome. Its authority structure and Latin heritage distinguish it from most Eastern churches.
Divine Liturgy : The principal Eucharistic service in Byzantine Christian traditions. It is the central act of worship in many Eastern Orthodox and Byzantine Catholic churches.
Oriental Orthodox Churches : A communion of churches that includes Coptic, Armenian, Syriac, Ethiopian, Eritrean, and Malankara traditions. These churches form a distinct ancient family within Eastern Christianity.
First Council of Nicaea : A 325 council that addressed Arian controversy and produced an early form of the Nicene Creed. Its creed remains a common foundation across Eastern Christian traditions.
Oriental Orthodoxy and Eastern Orthodoxy : Two ancient Christian communions that separated over the reception and interpretation of the Council of Chalcedon. The distinction prevents conflating the two largest Orthodox families.
Icon : A sacred image used in Christian devotion, especially in Eastern Orthodox and Eastern Catholic traditions. Icons express theological beliefs through images and participate in liturgical devotion.
Eastern Catholic Churches : Self-governing Catholic churches that retain Eastern liturgies and traditions while being in communion with Rome. They combine Eastern Christian heritage with communion with the Catholic Church.
Council of Chalcedon : A 451 ecumenical council that defined Christ as one person in two natures, divine and human. Its reception divided churches that later developed into Eastern Orthodox and Oriental Orthodox families.
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