Glossary of Printing Terms:
Signature

1. A printed sheet that is folded one or more times and becomes a section of a book or publication.

2. Markings made on a book block to ensure the correct sequence of sheets, sheet parts and sections when bound.

3. A group of folded pages that, when bound and trimmed with other signatures, form a book or pamphlet.

Also known as gathering. Also refers to a person’s self-handwritten name Autograph Signature.