65. Structure or Layout (total 8 parts) f(Ithe letterhead; include the sender's name and address (2 )Date and reference; Ame and British style (inside address, including the title name, and full address of the person or business concerned (4) salutation (5)subject5. Structure or Layout (total 8 parts) (1)the letterhead; include the sender’ s name and address. (2)Date and reference; Ame and British style (3)inside address; including the title, name, and full address of the person or business concerned. (4)salutation; (5)subject;