Body comprises the content of the letter the greetings the is the conclusion.
The complimentary close refers to the words of Courtesy that are used at the end of the letter, the closing appears at the end of the letter just before the signature. It is always aligned with the heading in an indented format.
The signature is placed below the complementary close it come before the writer’s name
The sender’s name is written below the signature
Attachment/enclusion (optional) any supporting document that are enclose.