The Church's Communion and Ecumenical Possibilities

This chapter delves into the essence of the Church as a communion of members sustained by sacraments, doctrinal instruction, and shared faith. It explores the concept of Catholicity in communion, emphasizing the importance of visible means for salvation while recognizing the potential for others outside the Church to be led towards the fullness of communion. Additionally, it discusses the sanctification process within the Church, the role of various members, and the universal call to holiness for believers.