a version of a person's name intended for display in a user interface
This is the name that can be found in the Exchange address list, as well as the 'from:" field in your inbox
The name of an object as it appears in the address book. For example, the Display-Name (an attribute in the Microsoft Exchange Server directory) of a recipient-class object is constructed of the strings Given-Name and Surname.
This is the text that will be used inside alerts generated by the system and in other areas where a "human-readable" name is appropriate. If this field is left blank, the station name will be used.
Your name. This is what people will call you on the site. Example