1) The document discusses the proper formatting and sections of a formal typed letter, including the letterhead, date, number, subject, salutation, body, complementary close, signature, and copies.
2) Key aspects that are noted include using a 12 point Times New Roman font, 1.15 line spacing, and standard margins. The 14 sections of a formal letter are also outlined.
3) Examples are provided for each section including the letterhead with company information, date format, subject, inside address, salutation, complementary close, and signature block with name and title.