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SecurSign 5 Now Available! Includes Signature Validation to Detect Tampering.
Lansdowne, PA (July 13, 2011)
Encrypt, digitally sign and verify digital signatures on PDF documents.

Annotation

Glossary of PDF Terms

In PDF; an annotation is an item separate from the page content which is located in a layer above the page content.  For example; like a Post-It® note is located over the text of a page.

Annotations can take many forms; following is a list of the most common annotations used in PDF:

  • Markup
  • Text
  • Link
  • Free Text
  • Line
  • Rubber Stamp
  • Ink
  • File Attachment
  • Sound
  • Movie
  • Widget
  • Watermark

PDF form fields and digital signature fields are types of "Widget" annotations.

Information on annotations can be found in Section 12 - Interactive Features of ISO 32000-1.

 

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