I. Find the definition of business letter (theory)
A business letter is a formal communication from an organization to its customers, the general public for their information, another Company or the Authorities. It is often written in a standard format, and in formal language, compared to a private letter between two people who are well known to each other. The business letter will show things like the address and best way to communicate with the business - by return letter , e-mail or telephone. In general, the letter will be...