| A | B |
|---|
| Halftone Screen | a series of dots of various sizes created by a printer to reproducde artwork |
| Screen Frequency | refers to the number of rows or lines of dots used to render an image on film or paper. |
| Lossy | compression method, in which data is discarded during compression |
| Lossless | compression method, in which no data is discarded during compression. |
| Dithering | technique to simulate colors not available in the color display system. Dithering adjusts adjacent pixels of different colors to give the appearance of a third color. |
| Embedded | Embedded files are added to the Illustrator file, and the Illustrator file size increases to reflect the addition of the placed file. |
| Linked | Linked files remain separate, external files, with a link to the placed file in the Illustrator file. |
| Overprint | print on top of, any of the artwork under them. |
| Knockout | removes the color of, underlying artwork on the other separations and prints with the color of the top object only. |
| Spread | in which a lighter object overlaps a darker background and seems to expand into the background |
| Choke | a lighter background overlaps a darker object that falls within the background and seems to squeeze or reduce the object. |
| Misregistration | happens if the paper or the printing plates become misaligned during printing. |
| Trapping | used to compensate for any gaps or color shifts that may occur between adjoining or overlapping objects when printing, |
| Screens | tints of the two solid colors in the artwork |
| Proofs | a set of separations printed on a black and white printer to check for any needed corrections |
| Color Separation | process of breaking composite artwork into its component colors |
| Bleed | the area of artwork that falls outside the crop marks, and which will be removed when the printed artwork is trimmed |
| Crop Marks | the pairs of lines at each corner of the artwork which define where the artwork is trimmed after it is printed |
| Gamut | range of colors that can be displayed or printed |
| Render | create a halftone dot |
| Resolution | the number of dots the printing device has available to render |
| Halftone Cells | individual squares that rows of dots in the halftone screen are broken down into |
