21.   A call option gives the purchaser the right, but not an obligation, to buy Australian dollars at a fixed price by a pre-set date.

22.   A call option gives an investor the chance to buy a share of stock at a set price on or before a specified date.

23.   A call option gives buyers a right, but not an obligation, to purchase dollars at a fixed, or strike, price by a pre-set date.

24.   A call option gives the holder the right, but not the obligation, to buy the underlying shares at a specific price.

25.   A put option gives an investor the right to sell shares at a specified price and by a specified expiration date.

26.   A put option gives its owner the right, but not the obligation, to sell a security at a set price with in a specified period.

27.   A seat option gives you the right to a seat.

28.   A option gives the holder the right, but not the obligation, to buy the stock at a certain price.

29.   A put option gives an investor the right to sell shares of the underlying stock at a specified price and by a specified expiration date.

30.   A put option gives the owner the right, but not the obligation, to sell an underlying security at a set price on or before its expiration date.