The term "cathedral church" refers to the principal church of a bishop's diocese. There are a number of synonyms for this term, including "bishop's church", "episcopal church", or simply "the cathedral". Other terms that may be used to refer to this type of church include "basilica", "minster", or "abbey church," depending on its history and architectural style. These terms may be used interchangeably depending on the denomination or country in which the church is located. Regardless of the name, these impressive buildings are often architectural masterpieces that provide a spiritual center for local communities.