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

You should try to be brief, but highly descriptive in the part of a professional email known as the subject line.
In the subject line, you shouldn't write too many words, but rather pick out words that convey your message in a few characters. Try to be highly descriptive, so as to show the recipient what you want to tell them in the first couple of words.

Culture dramatically affects heroes.first, it affects the way a person or character perceives a certain  situation or idea, it affects their point of view on many idea's and topics. next, it  affects how the hero is seen in the story. third, it affects the way a character will act on an idea or situation. 

Ithink c, the teen might think think being bullied is the end of the world and might want to just quit school, but the parent shouldn't see it that way. the parent should see the bright side. not agree with the teen and let them quit.