The group of clerics, or ordained ministers (bishops, priests, or deacons)
Clergy
Successors of the Apostles who have received the fullness of the priesthood, spiritual leaders of Christians in their Dioceses
Bishops
The doctrine that Mary was always a virgin, before, during, and after the birth of Christ
Perpetual virginity
Sins which engender other sins and vices, there are traditionally seven of them
Capital sin
A good habit we learn which helps us to do good and avoid evil
Virtue
All those baptized members of the Church who are not in a religious state of life
Laity
A visible sign or ceremony given to us by Jesus in order to give us sanctifying grace
Sacrament
The act of intellect by which we judge right from wrong according to what we have learned from faith and reason
Conscience
The universal judgment of the entire human race at the end of the world
General judgment
The individual judgment by Christ of each human being at the moment of death
Particular judgment
Religious beliefs that corrupt the true teachings of Christ and the Church
Heresies
To speak in the interests of another person or to ask for something for another person
Intercede
The truths of the faith which God has made known to us through tradition and scripture
Revelation
Caring for creation and using wisely the gifts that God has given us
Stewardship
One of the articles or ceremonial attire worn by ecclesiastical officiants as indicative of their rank and appropriate to the rite being celebrated
Vestments
The state of life for those who have chosen to remain unmarried for the sake of the Kingdom of Heaven
Celibacy
The truth that the Catholc Church, with the help of the Holy Spirit, is free from error when teaching about faith and morals.
Infallibility
The sacred vessel in which the consecrated Host is placed for Exposition
Monstrance
Someone who studies God and religion
Theologian
A meeting of bishops of an ecclesiastical province to discuss the doctrinal and pastoral needs of the Church
Synod
Work carried out to help further the mission of Christ, after the example of the Apostles
Apostolate
The teachings that faith and morals change over time and that there is no concrete, objective right and wrong
Modernism
The teaching office or authority in the Church
Magisterium
Cooperation among Christians, including efforts to restore full unity in truth and love among all Christians
Ecumenism
Latin for "from the chair", refers to the authority of the Pope when he teaches infallibly
Ex Cathedra