signature
A personal tag automatically appended to an email message. May be short, such as the author's name, or quite long, such as a favorite quote.
The three or four line message at the bottom of a piece of email or a Usenet article which identifies the sender. Large signatures (over five lines) are generally frowned upon. See also: Electronic Mail, Usenet.
The automatic addition of a few lines at the foot of an e-mail.These usually consist of the senderâs e-mail address,full name and other details.
A 3- or 4-line message, used to identify the sender of an e-mail message or Usenet article, that appears at the end of either communication. Signatures longer than 5 lines are generally frowned upon, and should be avoided).