A financial audit is where an internal audit and an external audit are done. For an external audit, an independent (unrelated) auditor takes a look at financial statements and accounting records. By looking at these records, the auditor can find out if these records are true, fair and follow Generally Accepted Accounting Principles (GAAP), or International Financial Reporting Standards (IFRS). "Internal audit" tries to get info for management usage, and is done by employees.