 
 
Basics of Color
The Three Color Methods
Color Depth 
Color Correction
Basics of Brushes
Brush Charateristics
Making Custom Brushes
Making Custom Gradients
Making Custom Tubes
Other Brush Types 
| Retouch Tool, Clone Tool, &
    Color Replacer Tool Eraser, Flood Fill, Picture Tubes & Preset Shapes The Draw Tool Text Tool | 
Basics of Selections
Basics on Selections
Basics of Masks
Making Masks
Basics of Layers
Basics on Effects and Deformations