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A business-size envelope used in the U.S., as opposed to an A2 envelope, which is used for notecards.
24-bit, 32-bit color:
Allows up to 16.7 million different colors on a computer monitor. 32-bit color provides for masking and other complex operations in image-editing programs such as Adobe Photoshop.
The "-30-" symbol is used in manuscripts, newspapers, and press releases to signify the end of the story.