In a professional environment, you are interacting with people you barely know and they are from different social backgrounds and most of them probably have English language as the second language. In such an environment, it is very important to chose your words carefully so that there will not be any chance of you been misunderstood. Words are powerful and they bring forth emotional responses from the hearers. Choosing the right words will help you to stimulate the kind of response you want in people in a professional environment.
Professional environment is a more formal environment. It could be a work environment. In this environment formal behavior is important because formality boosts the performance. Indeed, it might be dealing with the seriousness of the issue. Let us just imagine vice-versa. When the work is not serious, it cannot create responsible environment because some people will free ride. Therefore, professional environment has its own standards in comparison with personal environment. Personal environment can also be formal, but it is not a necessity.
