What do all the acronyms mean? (FAFSA, ED, IRS, DRN, SAR, EFC, and PIN)

• FAFSA — Free Application for Federal Student Aid. Click the following link for a more detailed explanation.
• ED — United States Department of Education. Click the following link for a more detailed explanation.
• IRS — United States Internal Revenue Service. Click the following link for a more detailed explanation.
• DRN — Data Release Number. Click the following link for a more detailed explanation.
• SAR — Student Aid Report. Click the following link for a more detailed explanation.
• EFC — Expected Family Contribution. Click the following link for a more detailed explanation.
• PIN — Federal Student Aid Personal Identification Number. Click the following link for a more detailed explanation.