1.Key Concepts: Foreground Color and Background Color + 2.Key Concepts: Brush Tools + 3.Key Concepts: the Threshold + 4.Key Concepts: Optional Color + 5.Key Concepts: Magic Wand Tool + 6.Key Concepts: Channels + 7.Key Concepts: Layer Mask + 8.Key Concepts: Gradient Overlay + 9.Key Concepts: Text + 10.Key Concepts: Text Masks + 11.Key Concepts: Sponge Filter + 12.Key Concepts:Polar Coordinate Filter + 13.Gaussian Blur of Filters + 14.Adding messy colors to filters +