| A | B |
| histogram | a graph that charts the frequency of shade in the tonal range |
| Unsharp Mask Command | a filter used to sharpen images |
| radius | specifies the width of the sharpened edge |
| threshold | specifies how different the sharpened pixels must be from the surrounding areas |
| Spot healing brush | removes blemishes and imperfections by sampling pixels around the spot |
| Duplicate layer | creates an exact copy on which you can make changes |
| Healing Brush Tool | requires you to choose the sampled area of a larger area most suited for tears or wrinkles |
| Patch tool | allows you to repair a selected area with pixels |
| Red Eye Tool | removes red eye in flash photos by recoloring all contigious red pixels |
| Dodge Tool | used to lighten areas of an image |
| Burn tool | darkens the area of an image |
| Exposure box | allows you to specify a percentage of dogding or burining |
| Lens Correction Filter | allows you to fix some of the flaws, distortions, and errors |
| Move Grid Tool | used to drag grid lines to any position |
| Straighten Tool | allows you to drw a line to straighten the image to a new vertical or horizontal axis |
| Typeface | the design of the individual characters better known as font |
| Scaling | the process of shrinking or stretching text |
| Kerning | a special form of tracking related to pairs of adjacent characters that can appear too far apart |
| Leading | line spacing refers to the amount of vertical spacing between lines of type |
| Edit mode | you can enter and edit characters and peform limited menu command |