The two primary purposes for sending business messages are typically to inform and to persuade.
Explanation:
Although pitching ideas, soliciting sales and conducting business meetings are most effective in a face-to-face scenario, sometimes professionals are required to send a message through email or telephone. The two primary purposes for sending these business messages are either to inform the other part of something relevant that happened, needs to, or will happen, or to persuade the other part to make a meeting in order to discuss a potential business, sale or transaction.
Pronunciation is decided by the community of English speakers as a whole. But in some cases, the views of an elite--more educated or more literary people--will be more influential.