| Overlap | Two shots that look like they have been taken at the same time on two camcorders |
| Options bar | a menu with context sensitive commands for the active tool that appears (by default) screen top left below the main menu |
| Optimize | The process of fine-tuning the file size and display quality of an image or image slice destined for the web |
| ODR | Output Device Resolution. The number of ink dots per inch of paper produced by the printer |
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