Back Katolik ACE Katholizismus ALS Catolicismo AN كاثوليكية Arabic كاتوليك ARZ Католиклъи AV Katolisizm Azerbaijani کاتولیسیزم AZB Католицизм Bashkir Katalėkībė BAT-SMG
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Catholicism is the traditions and beliefs of Catholic Churches. It refers to their theology, liturgy, morals and spirituality. The term usually refers to churches, both western and eastern, that are in full communion with the Holy See.