In which part of a professional email should you try to be brief, but highly descriptive?

A. The subject line

B. The blind carbon copy (bcc)

C. The emoticons

D. The domain

The correct answer is A - the part of a professional email in which you should try to be brief, but highly descriptive, would be the subject line. It is important to write a good subject line, because this will effect the amount of attention paid to your email in the busy inbox of a professional company.