Parts of a Business Letter. Business Letter is a letter which is used by organizations to communicate in a professional way with customers, other companies, clients, shareholders, investors, etc. Business letter uses formal language and a specific format.
Signature Examples for Emailed Documents. When you are sending email cover letters, it's important to include contact information so the hiring manager can easily see how to contact you. At the very least, include your name, email address, and phone number. You can also add other, optional information, such as your street address, online portfolio, or social media accounts.