When writing an email or letter, if you know the name of the person to whom you are writing you should be respectful and specific any time you refer to that person.

explain to your readers who the person is, in case they do not know.

refer to that person by first name to make your letter sound personal.

use the person's name at least three times in your letter.

be respectful and specific any time you refer to that person.

Explanation: people like to be treated with respect  and you should ALWAYS be specific or they could get lost in what your trying to say.

so you can understand and comprehend the meaning or the reasoning of the statement or the message

explanation:

b. failure at least that one seems the most negative out of all of the answers provided pls correct me if i'm wrong. : ))