Complex sentence: Also, not all the groups popularly called "continuing churches" actually emerged from the meeting at St. Louis; the term has become a catch-phrase for non-ECUSA Anglican groups as a whole, regardless of their actual origin and outlook.
Split into simpler sentences: Also, not all the churches popularly called "continuing churches" actually emerged from the meeting at St. Louis. The term has become a catch-phrase for non-ECUSA Anglican groups as a whole, regardless of their actual origin and outlook.