It practices what it understands to be the original Christian faith and maintains the sacred tradition passed down from the apostles.The Eastern Orthodox Church is a communion of autocephalous churches, each typically governed by a Holy Synod.
The dual meanings of doxa, with "glory" or "glorification" (of God by the Church and of the Church by God), especially in worship, yield the pair "correct belief" and "true worship".
Together, these express the core of a fundamental teaching about the inseparability of belief and worship and their role in drawing the Church together with Christ.), meaning "glorifying correct", to denote what is in English Orthodoxy, while the Georgians use the title Martlmadidebeli.
Thus, though it was united to Orthodoxy when established through the work of Saint Augustine of Canterbury in the early 7th century, its separation from Orthodoxy came about indirectly through the See of Rome.
To all these churches, the claim to catholicity (universality, oneness with the ancient church) is important for multiple doctrinal reasons that have more bearing internally in each church than in their relation to the others, now separated in faith.
Its most prominent episcopal see is Constantinople.
The majority of Eastern Orthodox Christians live in Greece, eastern Europe, the Caucasus and Russia, with less numerous communities in the former Byzantine regions of the eastern Mediterranean, Africa and the Middle East.
What unites Orthodox Christians is the catholic faith, whose vessel is Holy Tradition, inspired through the operation of the Holy Spirit.
That faith is expressed most fundamentally in Scripture and in worship, The faith lives and breathes by God's energies in communion with the Church.
The common name of the Church, Eastern Orthodox Church, is a shortened practicality that helps to avoid confusions in casual use.
From ancient times through the first millennium, Greek was the most prevalent shared language in the demographic regions where the Byzantine Empire flourished, and Greek, being the language in which the New Testament was written, was the primary liturgical language of the church.
"Eastern" is used to indicate that the highest concentrations of the Orthodox Church presence remain in the eastern part of the Christian world, although it is growing worldwide.