An outline that shows size and placement of an illustration. This can either be printed or removed prior to printing. Creation of an image by eleminating background

The outlines or areas or objects.

Artwork for offset reproduction that shows outlines indicating the exact shape, position, and size of halftone elements and line sketches.

This is an image placer in layout that represents where an image is to go when it is printed. This placeholder doesn't print, but it fits the position and size of the image that will b e printed in that spot.  This Keyline often is a rectangle with an x through it.

A thin outline or rule.

Inked lines on artwork that serve as guide lines.

Optional mailer information printed in or above the address or in the lower left corner of the envelope. The information in a keyline identifies the mailpiece and its presort level. Under some postage payment systems, the keyline is a required line that contains specific information about the mailpiece.

Lines that are drawn on artwork that indicate the exact placement, shape and size of elements including halftones, illustrations etc.

An outline drawing of finished artwork to indicate the exact shape, position and size for each of the basic elements in the design.

A line drawing that indicates the size, shape and position for elements such as halftones and type.

In artwork, an outline drawing of finished art to indicate the exact shape and design.

An outline drawing on artwork to indicate the exact shape, position and size for such elements as halftones, line sketches, etc.

A black lined area on a layout or art board indicating a precise area for the placement of a color or black and white reproduction. It is generally noted specifically to use the black line to "trap" the photo to the background or to drop the black line and simply use the keyline to create the window for a halftone placement.

An outline rule for a photograph or illustration to give it emphasis, or a ruled box to indicate where an illustration should be placed

A keyline, in graphic design, is a boundary line which separates color and monocromatic areas, or differently colored areas of printing on a given page or other printed piece. The line itself, usually consisting of a black (or other dark colored) border, provides an area in which lighter colors can be printed with slight variation in registration. In traditional paste-up graphics workflows, keylines for cropping were often merely indicated on original artwork, and then images were stripped into the area manually with the keylines themselves being added as part of the process.

A border, rectangular or otherwise, that surrounds an object.

line of space around an images to separate it from other elements