The community prayers and readings at set hours of the day (originally a monastic term).

A member of one of the three Orders of clergy: Bishop, Priest, and Deacon.

The Season of Epiphany and the Season After Pentecost are called ordinary time in some churches, because historically, the Sundays in those seasons have no names, just ordinal numbers (the fourth Sunday after Pentecost, the fifth Sunday after Pentecost, and so on).

The conveying of spiritual authority by a bishop. The laying on of hands by a bishop to make a deacon, ordain a priest, and consecrate a bishop (at least three bishops are required to ordain a priest as a bishop).

The part of the Bible shared with the Jews. It tells of the way in which God acted in the history of the Jewish people.