As per Lawkidunya, here, however, are the key elements of a letter, in their usual order:
1 Your address, telephone, fax, email. Put your address, telephone, fax and/or email at the top in the centre or on the right.
2 Date.
3 Destination name and address.
4 References.
5 Salutation.
6 Subject.
7 Body.
8 Ending.
