Reference
The Ultimate PDF Terminology Glossary
Definitions of essential PDF terms: AcroForm, CropBox, MediaBox, PostScript, Vector, Raster, OCR, Bates Stamping, and Linearization.
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Core PDF Terminology
Explore definitions of the most critical concepts in digital document engineering.
| Term | Definition | Significance |
|---|---|---|
| AcroForm | Standard interactive PDF form mechanism supporting text boxes, checkboxes, radio buttons, and dropdowns. | Enables digital form filling in any standard viewer. |
| MediaBox | The boundary box defining the physical medium boundaries on which the page is intended to be printed. | Determines the fundamental sheet dimensions in points. |
| CropBox | The region to which the contents of the page are clipped when displayed or printed. | Used by cropping tools to hide margins without destroying graphics. |
| OCR | Optical Character Recognition: neural technology that converts pixel images of text into digital characters. | Makes scanned photocopies searchable and copyable. |
| Bates Stamping | A legal sequential indexing method stamping unique alphanumeric codes on document pages. | Mandatory for litigation and discovery evidence. |
| Linearization | Also known as 'Fast Web View', optimizes internal object order so page 1 loads before downloading the entire file. | Essential for fast web previewing of large eBooks. |
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