What is the difference between Microsoft Office for Students and MS Office for Business?

I need to buy MS Office, but don't know if I need the Home %26amp; Business vs. Home %26amp; Student. I really only need to be able to have Word, Excel, and possibly Outlook.What is the difference between Microsoft Office for Students and MS Office for Business?
Office Home and Student has: Word, Excel, Powerpoint, and Onenote.

Office Home and Business has: Word, Excel, Powerpoint, Onenote and Outlook

Office Professional has: Word, Excel, Powerpoint, Onenote, Outlook, Access, and PublisherWhat is the difference between Microsoft Office for Students and MS Office for Business?
Well MS office for Students or for professional means that when u are installing the MS-office u simple install those which u mostly use like MS-WORD ,MS-Power Point and MS-Excel ..its mean its for students and for professional including above and also MS-Access ,Ms-Groove, infopoint..etc