# Definition of hierarchy of topics. YAML format.
 - The Trinity:
   - The Father:
     - The Father's work
   - The Son:
     - Christ's nature # human, divine
     - Christ's work
   - The Holy Spirit:
     - The Spirit's work
 - Acts of God:
   - Creation
   - Providence
   - The Curse
   - Redemption
   - Final Judgement
 - Attributes and character of God
 - Mankind:
   - The Fall
   - Sin
   - Death
 - Life of Christ:
   - Christ's Incarnation
   - Christ's Ministry
   - Christ's Death
   - Christ's Resurrection
   - Christ's Ascension
   - Christ's Return
 - Gospel:
   - Covenant
   - Union with Christ
   - Atonement
   - Justification
   - Adoption
   - Election/Predestination
   - Grace
   - New life
   - Conversion:
     - Repentance
     - Faith
   - Sanctification
   - Perseverance
   - Glorification
   - Eternal life
   - The New Creation
   - Federal headship
 - Revelation:
   - Scripture
   - Prophecy
   - General revelation
 - The Kingdom of God
 - Christian living:
   - God's power
   - Motivation
   - Law
   - Freedom
   - Works
   - Service and ministry
   - Mission
   - Giving
   - Prayer
   - Spiritual warfare
   - Fruits of the Spirit:
     - Love
     - Joy
     - Peace
     - Patience
     - Kindness
     - Goodness
     - Faithfulness
     - Gentleness
     - Self-control
     - Trust
     - Gratitude
     - Praise and thanksgiving
     - Worship
     - Humility
     - Contentment
     - ...
   - Works of the flesh:
     - Laziness
     - Sexual sin
     - Worry and fear
     - ...
   - Wisdom
   - Guidance
   - Trials:
     - Suffering
     - Temptation
   - Relationships:
     - Family:
       - Marriage
       - Children
     - Society:
       - Justice
       - Poverty
 - Church:
   - Gifts
   - Preaching
   - Unity
 - Bible overview
 - Book overviews:
   - Genesis
   - Jeremiah
   - Lamentations
   - ...