The document discusses Martin Luther's view that the Church is like a hospital that heals the wounded. It provides 6 marks, or identifying characteristics, of the Christian people who make up this "hospital-Church":
1. They possess the Word of God preached and lived.
2. They are recognized through the holy sacrament of Baptism.
3. They are recognized through the holy Sacrament of the Altar (Communion).
4. They exercise the Office of the Keys publicly through confession and forgiveness of sins.
5. They consecrate Ministers to administer the Word, Sacraments, and Keys.
6. They are recognized through public prayer, praise