Confession is one of the mysteries of the Church, the way back to God for a baptised Christian who has sinned. It is not a courtroom but a place of healing. The penitent speaks to Christ, and the priest is there as a witness and as a physician, to help the penitent see clearly and to pronounce God's forgiveness.
Today priest and penitent usually stand side by side, before the altar or at a stand set apart in the church for confession. The penitent names his or her sins plainly, without excuses and without dwelling on other people's. The priest may give counsel, and then reads the prayer of absolution. In Greek use it is said in the third person, "may God forgive you"; in Russian use, in the first. The order of the service is traced to Patriarch John the Faster of Constantinople.
To prepare, Orthodox Christians examine their conscience, often by the Ten Commandments, and pray before coming. How often they confess differs: some in each fasting season, others monthly, others before Communion, as their priest directs. What is said in confession is kept in absolute secrecy, because it was said not to the priest but to God.
