The camarlengo takes care of the day to day running of the Church in the absence of a pope. He only carries out basic administrative duties and can make no major decisions. During this time his main concerns are planning the funeral of the previous pope as well as arranging the conclave that will elect a new pope,
The cardinals and bishops work together to govern the Church but the Pope is the ultimate person to make decisions.
Cardinals of the Roman Curia make the day to day decisions to keep the Church running smoothly. However, they will make no major decisions. Those will be left to the new pope to make. The camarlengo takes care of the day to day running of the Church in the absence of a pope.
The pope is the head of the Catholic Church. There is only one Catholic Church and it is not a sect. To be a Catholic Church, a church must be in union with the pope. If they are not in union with the pope, they are not Catholic.
God
That depends on which church you are referring to.
The pope is the head of the Catholic Church. There is only one Catholic Church and it is not a sect. To be a Catholic Church, a church must be in union with the pope. If they are not in union with the pope, they are not Catholic.
The church of the Pope as bishop of Rome is the Basilica of Saint John Lateran in Rome. The church of the Pope as Pope is Saint Peter's Basilica in the Vatican.
The pope is the spiritual leader of the Catholic Church.
The Pope is the official head of the Roman Catholic Church, so that is "his" church.
The pope's church is St. John Lateran. As the bishop of Rome this is his Cathedral. As pope, his church is St. Peter's Basilica.
The pope lives in the Papal Apartments in the Vatican not in a church.
The Pope is the Vicar of Christ on earth, and the visible head of His Church, the Catholic Church.