Signature

A signature (; from Latin: signare, "to sign") is a depiction of someone's name, nickname, or even a simple "X" or other mark that a person writes on documents as a proof of identity and intent. Signatures are often, but not always, handwritten or stylized. The writer of a signature is a signatory or signer.

Extends: Signature, [Authentication methods](https://wikipedia.org.ai/Authentication methods), [Identity documents](https://wikipedia.org.ai/Identity documents), Writing, Biometrics