The beliefs and practices of a Catholic Church WordNet 3.0 & Open English WordNet

Catholicity is a concept of pertaining to beliefs and practices that are widely accepted by numerous Christian denominations, most notably by those Christian denominations that describe themselves as catholic in accordance with the Four Marks of the Church, as expressed in the Nicene Creed formulated at the First Council of Constantinople in 381: "[I believe] in one, holy, catholic, and apostolic Church." Wikipedia

The word catholic comes from the Greek phrase καθόλου 'on the whole, according to the whole, in general', and is a combination of the Greek words κατά 'about' and ὅλος 'whole'. Wikipedia

The core set of beliefs common to several Catholic denominations Wikipedia Disambiguation

The core set of beliefs of various Christian denominations Wikipedia Disambiguation

An overview of the use of the term in the Four Marks of the Church of the Nicene Creed Wikipedia Disambiguation

Concept of the universality of church Wikidata

Christian doctrine professed by the Catholic Church Wikidata

The faiths, practices and doctrines of a Catholic Church, but especially of the Roman Catholic Church. Wiktionary

Faiths, practices and doctrines of a Catholic Church. Wiktionary (translation)