Reader: One who is called upon to proclaim the scriptures during the Liturgy of the Word.

Relics: The physical remains and effects of saints, which are considered worthy of veneration inasmuch as they are representative of persons in glory with God.

Religion: The adoration and service of God as expressed in divine worship and in daily life.

Religious Movements: Groups of people, both lay and clerical, who band together to promote a certain belief or activity.

Religious Priest/Diocesan Priest: Religious priests are professed members of a religious order or institute. Religious clergy live according to the rule of their respective orders. In pastoral ministry, they are under the jurisdiction of their local bishop, as well as the superiors of their order. Diocesan, or secular, priests are under the direction of their local bishop. They commit to serving their congregations and other institutions.

Responsorial Psalm: After the first reading there is a psalm as a response to the reading. The response, repeated after verses, is sung by the assembly, while a cantor or choir sings the verses of the psalm.

Retreat: A period of time spent in meditation and religious exercise. Retreats may take various forms, from traditional closed forms, to open retreats which do not disengage the participants from day-to-day life. Both clergy and lay people of all ages participate in retreats. Houses and centers providing facilities for retreats are retreat houses.

Rite of Christian Initiation of Adults (RCIA): The norms and rituals of the Catholic Church for people who wish to join the Church. Part of the book is intended for baptized Christians who wish to become Catholics. The term is used in a general sense to refer to the process of entering the Catholic Church.

Roman Curia: The official collective name for the administrative agencies and courts, and their officials, who assist the Pope in governing the Church. Members are appointed and granted authority by the Pope.

Rome - diocese of: The City of Rome is the diocese of the pope, as the bishop of Rome.

Rosary: A prayer of meditation primarily on events in the lives of Mary and Jesus, repeating the Our Father and Hail Mary. It is generally said on a physical circlet of beads.