The Catholic -- from birth to natural death.  

What does he believe?  

His primary purpose in life is to save his soul.  

Sanctification -- achieving holiness.  

The most necessary prayers.  

What are the Sacraments and its purpose.  

Loss of sanctification -- how and why.  

What are the Virtues?  

The Works of Mercy -- spiritual and corporal.  

Sin -- by omission and commission.

The deadly sins, the sins against the Holy Ghost.  

Sins that cry to Heaven for vengeance.  

Sins against Faith, Hope and Charity.  

Regaining the lost spiritual life.  

Proper examination of conscience.  

What is Sanctifying Grace?