PLUS loans are in place to help parents pay for education expenses not covered by other financial aid
And how do I apply for one of these loans?
There is an online application for you to apply for a parent PLUS loan.
So I am an undergraduate student,  Am I eligible for Direct Subsidized Loans or Direct Unsubsidized Loans?  What else would you suggest to me?
it is important that you search More information on the page
ok, and could you give me more information about what is a Master Note?
The Master Promissory Note MPN is a legal document that promises to pay your loan and accrued interest and fees to the U.S. Department of Education.
and could I receive more than one loan?
You may receive more than one loan under an MPN over a period of up to 10 years to pay for your or your child's educational costs, provided the school is authorized to use the MPN in this manner and chooses to do so. The school will inform you what loans, if any, you are eligible to receive.
okay. And what about a graduate student?