Most probably don't know, but I'm in a Master's program called an MBC (Master of Business Communication). Many can bridge the gap and sort of understand what's the difference between the MBA and the MBC, but there's a better explanation out there.
MBC Director at the University of St. Thomas says the MBC provides "...the language and cultural context necessary for exceptional business communication, while including specialized courses on communication leadership and strategy that prepare students to excel in any aspect of corporate or marketing communications management..."
Read Porter's full memo on the MBC.
....now back to studying.