Joshlyn Ross wrote on the site of the SBA Blog: I’m sure many of you are familiar with etiquette when it comes to dining. However, did you know that there was a thing such as business etiquette? Similar to dining etiquette, these unwritten rules of behavior can help you not only close the deal, but also leave a great impression on potential partners/customers. From web communication to interpersonal communication, being aware of unwritten rules can help you represent yourself as professionally as possible.