| A | B |
|---|
| Bit Depth | How much color a scanner can capture. |
| Optical Resolution | How much detail a scanner can capture. |
| RGB | Color mode consisting of the additive primary colors (red, green, and blue) that create white when combined. |
| Pixel | a dot in a bitmapped image that represents a color or shade. |
| PPI | Pixels per inch; measurement of input resolution. |
| Camera raw file | Direct, unedited file from camera. |
| DPI | Dots per inch; a measurement of visual quality concluded by the amount of dots that are printed per inch in an image. |
| Layer | A section within an image on which objects can be stored; allows individual isolated effects but also increases file size. |
| Raster | a bitmap image that is made up of pixels. |
| Vector | Images consisting of smooth curves and straight lines (known as path) which can be scaled to any size without degrading the quality of the image. |
| Anchor points | Editable points on a digital path. |
| Moire Pattern | An unwanted heatwave-like pattern that usually occurs when a printed image is scanned a second time. |
| Raster Imaging Software | Used to manipulate a graphic image or photograph. |
| Preflight Software | Used to check page layout files for potential output problems with colors, fonts and images. |
| Page Layout Software | Used to arrange and manipulate text and graphics. |
| Operating System Software | Used to tell the computer how to manipulate information and run various programs. |
| Illustration Software | Used to create vector graphics. |
| LPI | Lines per inch; measurement of screen frequency or resolution of a halftone image. |
| .tif | Tagged image file format; high quality raster based file format that can be imported into page layout and illustration programs. |
| .jpg | Pixel-based image for photographs; small file size; lossy file format. |
