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|Ecclesiastical titles (order of precedence)|
Moderator of the curia is a top administrative position held by a Catholic priest in a diocese under the supervision of the bishop. The moderator coordinates the exercise of the administrative duties and oversees the office holders, or curia, in the diocese. Moderator of the curia has been compared to that of a chief operating officer (COO) in a corporation. Although the office was first included in the 1983 Code of Canon Law,[ citation needed ] the concept is much older.[ citation needed ]
A bishop does not have to appoint a moderator; he can supervise the diocese administration himself or delegate the responsibility to other priests. The vicar general of the diocese frequently serves also as moderator.  According to the Vatican, the moderator of the curia must follow the general principle:
"...that diocesan structures should always be at the service of the good of souls and that administrative demands should not take precedence over the care of persons. Therefore, he should see that the operation is smooth and efficient, avoiding all unnecessary complexity or bureaucracy, and always directed towards its proper supernatural end." 
A cardinal is a senior member of the clergy of the Catholic Church. Cardinals are created by the ruling Pope of Rome and typically hold the title for life. Collectively, they constitute the College of Cardinals.
A prelate is a high-ranking member of the Christian clergy who is an ordinary or who ranks in precedence with ordinaries. The word derives from the Latin praelatus, the past participle of praeferre, which means 'carry before', 'be set above or over' or 'prefer'; hence, a prelate is one set over others.
An ecclesiastical court, also called court Christian or court spiritual, is any of certain courts having jurisdiction mainly in spiritual or religious matters. In the Middle Ages, these courts had much wider powers in many areas of Europe than before the development of nation states. They were experts in interpreting canon law, a basis of which was the Corpus Juris Civilis of Justinian, which is considered the source of the civil law legal tradition.
Sede vacante is a term for the state of a diocese while without a bishop. In the canon law of the Catholic Church, the term is used to refer to the vacancy of the bishop's or Pope's authority upon his death or resignation.
A titular bishop in various churches is a bishop who is not in charge of a diocese. By definition, a bishop is an "overseer" of a community of the faithful, so when a priest is ordained a bishop, the tradition of the Catholic, Eastern Orthodox and Oriental Orthodox churches is that he be ordained for a specific place. There are more bishops than there are functioning dioceses. Therefore, a priest appointed not to head a diocese as its diocesan bishop but to be an auxiliary bishop, a papal diplomat, or an official of the Roman Curia is appointed to a titular see.
A vicar general is the principal deputy of the bishop of a diocese for the exercise of administrative authority and possesses the title of local ordinary. As vicar of the bishop, the vicar general exercises the bishop's ordinary executive power over the entire diocese and, thus, is the highest official in a diocese or other particular church after the diocesan bishop or his equivalent in canon law.
The hierarchy of the Catholic Church consists of its bishops, priests, and deacons. In the ecclesiological sense of the term, "hierarchy" strictly means the "holy ordering" of the Church, the Body of Christ, so to respect the diversity of gifts and ministries necessary for genuine unity.
A diocesan administrator is a provisional ordinary of a Roman Catholic particular church.
A diocesan chancery is the branch of administration which handles all written documents used in the official government of a Catholic or Anglican diocese.
A curia is an official body that governs an entity within the Catholic Church. These curias range from the relatively simple diocesan curia; to the larger patriarchal curias; to the curia of various Catholic particular churches; to the Roman Curia, which is the central government of the Catholic Church. Other Catholic bodies, such as religious institutes, may also have curias.
A diocesan bishop, within various Christian traditions, is a bishop or archbishop in pastoral charge of a diocese or archdiocese. In relation to other bishops, a diocesan bishop may be a suffragan, a metropolitan or a primate. They may also hold various other positions such as being a cardinal or patriarch.
The Military Ordinariate of the Philippines or MOP is a Latin Church ecclesiastical jurisdiction or military ordinariate of the Catholic Church in the Philippines serving the Armed Forces of the Philippines, Philippine National Police, and Philippine Coast Guard. It has jurisdiction over all military, police and coast guard personnel, their dependents, and civilian human resources of all branches of the armed forces. Its titular patron is the Immaculate Conception, with Ignatius of Loyola and John of Capistrano as secondary patrons. The Philippine military ordinary is Oscar Jaime L. Florencio, a former auxiliary bishop of the Archdiocese of Cebu.
In the Catholic Church, a bishop is an ordained minister who holds the fullness of the sacrament of holy orders and is responsible for teaching doctrine, governing Catholics in his jurisdiction, sanctifying the world and representing the Church. Catholics trace the origins of the office of bishop to the apostles, who it is believed were endowed with a special charism and office by the Holy Spirit at Pentecost. Catholics believe this special charism and office has been transmitted through an unbroken succession of bishops by the laying on of hands in the sacrament of holy orders.
In the Catholic Church, a parish is a stable community of the faithful within a particular church, whose pastoral care has been entrusted to a parish priest, under the authority of the diocesan bishop. It is the lowest ecclesiastical subdivision in the Catholic episcopal polity, and the primary constituent unit of a diocese or eparchy. Parishes are extant in both the Latin and Eastern Catholic Churches. In the 1983 Code of Canon Law, parishes are constituted under cc. 515–552, entitled "Parishes, Pastors, and Parochial Vicars."
The appointment of bishops in the Catholic Church is a complicated process. Outgoing bishops, neighbouring bishops, the faithful, the apostolic nuncio, various members of the Roman Curia, and the pope all have a role in the selection. The exact process varies based upon a number of factors, including whether the bishop is from the Latin Church or one of the Eastern Catholic Churches, the geographic location of the diocese, what office the candidate is being chosen to fill, and whether the candidate has previously been ordained to the episcopate.
In 1983 the Catholic Church introduced the possibility of entrusting the pastoral care, of one or more parishes to a team of priests in solidum. This provision in the 1983 Code of Canon Law, which resembles ancient models of pastoral care in the Roman titular churches with their colleges of priests, was introduced to help resolve some of the difficulties facing many dioceses. These difficulties include shortages of priests, overpopulated urban parishes, depleted and scattered rural parishes, and decline in attendance at Mass. This model of pastoral care is viewed as a practical way of promoting pastoral co-responsibility, as well as fostering a greater sense of the presbyterium among the priests of a diocese.
In the canon law of the Roman Catholic Church, an administrator of ecclesiastical property is anyone charged with the care of church property.
Precedence signifies the right to enjoy a prerogative of honor before other persons; for example, to have the most distinguished place in a procession, a ceremony, or an assembly, to have the right to express an opinion, cast a vote, or append a signature before others, to perform the most honorable offices.
The development of the ministry of altar servers has a long history. In the early Church, many ministries were held by men and women. By the early Middle Ages, some of these ministries were formalized under the term "minor orders" and used as steps to priestly ordination. One of the minor orders was the office of acolyte. Altar servers are a substitute for an instituted acolyte.
This is a glossary of terms used within the Catholic Church.