The “one” mark understanding is for example what it states (That there is one body and one spirit) in Ephesians 4:5-6, one Lord, one faith, one baptism; 6 one God and Father of all, who is over all and through all and in all. The “holy” mark of the church doesn’t suggest that the members of the church are free from sin but Christ’s church is holy because it is Christ’s church as stated in Matt. 16:18, “upon this rock I will build my Church.” Which means the Church is holy because God is Holy, and the Church comes together to share God’s holiness (as stated in Ephesians 5:30-33). The “catholic” mark, meaning “universal”, meant the fulfillment of faith that it possess. How it ties in with the church is meant that the fullness of Christian faith,
