An autograph is a person's own handwriting or signature. The word autograph comes from Ancient Greek, and can mean more specifically:
"B-A-C-H is beginning and end of all music", signed autograph document by Max Reger (dated 7 May 1912)
A signature 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, ha
Fingerprints may be used instead of signatures where the signer is illiterate, such as this Indian legal document from 1952