what are the differences between buying a call option selling a call option bu

what are the differences between buying a call option selling a call option buying a put option and selling a put option. Also give an example of a
business scenario in which it would be appropriate to use each of the contracts (a put and a call contract). If instead you chose to use the forward market
assume you were going to receive 100000 Japanese yen in 6 months and the current exchange rate is 5 yen to 1 U.S. dollar. How many yen would you sell or buy
in the forward market? Be sure to cite all references using the appropriate citation format.