1. Document Examination Terms
Questioned document—any document about which some issue has been raised or that is a subject for investigation.
Indented writings—impressions left on papers positioned under a piece of paper that has been written upon.
Exemplar—authentic sample used for comparison purposes, such as handwriting

2. Document Examination Terms
Erasure—removal of writings, typewriting, or printing from a document. Normally accomplished by either chemical means or an abrasive instrument.
Natural Variations—normal deviations found between repeated specimens of an individual’s handwriting or any printing device
Forgery—illegal act of reproducing someone’s signature without his/her permission
7. Document examiners —expert in handwriting analysis

3. Document Examination Terms
8. Obliteration—blotting out or smearing over of writing or printing to make the original unreadable
9. Charred document—any document that has become darkened and brittle through exposure to fire or excessive heat\
10. Infrared Luminescence—a property exhibited by some dyes that emit infrared light when exposed to blue-green light.