The Official Cash Rate is the interest rate set by the Reserve Bank of Australia and used to influence the general level of interest rates in banking and the economy. Changes to the cash rate, also termed "official interest rates", flow on to variable home loan, personal loan and credit card rates within weeks.
Offset accounts can help reduce your tax bill by offsetting taxable income from deposit accounts against interest paid in after tax dollars on mortgage repayments. However, not all offset accounts are equal, with many not paying the same interest as you are charged on your mortgage.
Under "Old System", there is a separate deed prepared and executed each time property is transferred or a mortgage is taken etc. If one transaction is missing, the ownership can revert to a previous owner. A complex title system, with heavy associated legal costs. Less than 5% of land remains under Old System Title.
A prearranged limit to which a person can exceed the account balance. Usually used for business purposes.