What makes it a basilica?
Subsequently, one may also ask, what is the difference between a cathedral and a basilica?
A cathedral is the proper term a church that is home to a bishop. A basilica may refer to anything from a church's architecture to its importance to the pope, depending on its type. The Holy Roman Catholic Church categorizes basilica according to their function: palace, a papal seat of authority, etc.
Similarly, it is asked, what is the purpose of a basilica?
The basilica was a fundamental element of a Roman forum. It was used as a public building, much like the Greek stoa. It also served as a meeting place for administration, as a law court, and as a marketplace.
The four Major Basilicas in Rome in one day. Archbasilica of St. John Lateran, St. Peter's Basilica, Basilica of Saint Paul Outside the Walls, and Basilica di Santa Maria Maggiore are the the only four Major Basilicas, all other churches called “Basilica” are Minor Basilicas.