Basic Tools:
Selection Tools
Copying, Duplicating, Cloning, Healing
Brushes and Eraser Tools
Color Picker/Foreground and Background/Swatches
Zoom and Hand Tools
Keyboard Shortcuts
Correcting Missteps:
Undoing
Undo History Panel
Simple Retouching of an Image:
Removing Unwanted Elements
Healing
Removing Red Eye
Image Composition:
Magic Wand
Feathering
Silhouetting and Combining Images
Type
Opacity
Eyedropper/Sampling Color
Rulers
Guides
Layer Options & Styles:
Drop Shadows
Color Correction:
Adjusting Contrast, Highlights, Shadows, Midtones
Variations
Levels
Curves
Hue, Saturation, Brightness
Resolution:
Image Resolution (ppi)
Monitor Resolution (dpi or ppi)
Output Resolution (dpi)
Appropriate Print versus Web/Screen Resolution
Resampling
Web Graphics Issues:
How to Save as a JPEG
Compression Options
Anti-Aliasing Issues
