Opacity
Term used to describe the degree to which paper will show print through.
Outline
A typeface in which the characters are formed with only the outline defined rather than from solid strokes.
Overlay
A transparent sheet used in the preparation of multi-colour artwork showing the colour breakdown.
Overprinting
Printing over an area already printed. Used to emphasise changes or alterations.
Online Marketing
Online advertising is done exclusively on the web or through e-mail. Various types of online marketing include:
* affliliate programs
* search engine optimization
* banner advertising
* directory enhancement
* posts to moderated discussion lists, newsgroups, and forums
* email advertising
* online press releases
Offset printing
For high-volume reproduction -- utilizes three rotating drums: a plate
cylinder, a blanket cylinder, and an impression cylinder. The printing plate is wrapped
around the plate cylinder, inked and dampened. The plate image is transferred, or offset,
onto the blanket cylinder. Paper passes between the blanket cylinder and the impression cylinder, and the image is transferred onto the paper.
Output resolution
The number of dots per inch (dpi) that an output device, such as an imagesetter or laser printer, produces.
Offset paper
A term for uncoated book paper.
Opaque
The inability to see through an object. If an object is 100% opaque, you cannot see through it. Opacity levels under 100% increase the ability to see through objects.
Onion skin
A translucent lightweight paper used in air mail stationery.
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