Business writing should be purposeful. In this context purposeful can best be defined as
a. presenting ideas clearly and concisely.
b. concentrating on the receiver's perspective instead of your own.
c. solving problems and conveying information.
d. getting your audience to believe and accept your message.
The business writing is a type of writing that seeks to elicit a business response and is purpose pieces of writing and that provides the relevant information and helps to let the readers know to do something clear and correct and easy to understand.