Signature of the writer

A) letterhead
B) dateline
C) inside address
D) salutation
E) reference
F) body
G) complimentary closing
H) sender's signature
I) title
J) reference initials
K) enclosures
L) cc

Sender's Signature

The written or electronic endorsement by the sender on a document, indicating approval or authentication.

Business Letter

A formal document typically used for communication between companies or between a company and its clients, suppliers, or other external parties.

Signature

A person's name written in a distinctive way as a form of identification in authorizing documents.