| A | B |
|---|
| Sample | to make a selection based on a similar area on the layer |
| Tolerance | magic wand tool setting that controls how closely a pixelÕs color must match the sampled color in order for the pixel to be selected |
| Adjustment layer | a layer to which you can apply color and other adjustments for the purpose of modifying all layers below the layer |
| Automatic correction | a color or tone correction in which Photoshop detects image information and determines the correction levels to apply |
| Brightness | the overall lightness or darkness of an image |
| Color balance | the overall color cast or mixture of colors in an image |
| Contrast | the amount of difference between the darkest and lightest pixels in an image |
| Highlight | a light area in an image where light has bounced off a high spot in the subject or object being photographed |
| Hue | a pixelÕs actual color |
| Levels | feature that enables you to adjust color balance for individual color channels or the whole image by working proportionally with the distribution between pixels |
| Midtones | tone values in an image that fall between highlight and shadow tones |
| Saturation | the amount of a particular hue applied to the pixel |
| Shadow | a dark area in a photo |
