Respuesta :
Answer:
audience
Explanation:
The bank customers who will receive this special communication are the audience (target) for that communication. Just like when you attend a concert, you are in the audience, you receive something, you're the one the message is addressed to.
purpose is the meaning of the communication, in this case the new offer.
netiquette is the way to behave yourself online, so it would be related to the tone used in the email.
workplace communication is usually taking place between workers of the same place, not with clients.