APR
The annual percentage rate includes the interest rate plus certain fees. It is useful for comparing loans, but it does not include every cost.
APY
The annual percentage yield shows what a deposit account earns in a year, including compounding. Use APY to compare savings accounts.
Accreditation
Recognition that a school or program meets an external standard. Regional accreditation is the baseline for credit transfer; programmatic accreditation matters for licensed fields.
Deductible
The amount you pay before insurance begins covering a claim.
Fiduciary
Someone who is required to act in your best interest. The term applies to certain financial advisers, not all of them.
Principal
The amount you borrow or invest, before interest or returns.