PDF glossary

PDF and e-signature terms explained in plain English, each with how to do it in PDFZyro.

A

Audit trailThe time-stamped record of every step in a signing process, from sending to signing.

B

Bates numberA unique number stamped on every page of a set of documents, such as ACME000001.

C

Certificate of completionA summary issued with a signed document showing who signed, when and how they were identified.

D

Digital signatureA cryptographic, certificate-based seal that shows who signed a file and that it hasn't changed.
Document comparison (redline)Checking two versions of a document to show every addition, deletion and change.

E

Electronic signature (e-signature)Any electronic sign that shows a person agrees to a document, from a typed name to a drawn signature.

F

O

OCR (optical character recognition)Software that reads the text in scans and photos so it can be searched and copied.

P

R

RedactionPermanently removing sensitive text or images from a document before it is shared.

W

WatermarkText or a picture, such as CONFIDENTIAL or a logo, placed across the pages of a document.

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Step-by-step answers are in the PDF guides, and every tool mentioned here is part of PDFZyro, with a free plan and no watermarks.

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