1.   Rights to buy a share at a specified price within a specified time.

2.   Rights to sell a share at a specified price within a specified time.

3.   Rights to either buy or sell at a specified price within a specified period.

4.   An option gives the holder the right to buy or sell stock, at a specified price, by a specific date.

5.   A call option gives a trader the right to buy shares of the underlying stock at a specified price and by a specified expiration date.

6.   A call option gives an investor the right to buy shares of the underlying stock at a specified price and by a specified expiration date.

7.   A futures contract is a commitment to buy or sell a specified quantity of a commodity at a specified price during a particular delivery month.

8.   A limit order is an instruction to buy or sell a stock at a specified price.

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

10.   A put option is the right, but not the obligation, to sell a specific amount of a given stock at a specified price by a certain date.