Futures are future dated contract for buying and selling of Stocks with a lot. Definite exchange will happen in expiry date.
In option market the option will be given for a option buyer to execute the contract or not.
Call Option is contract is buy the stocks from the seller with option to buy or not. The Premium paid to the seller for interesting the contract.
Put Option is option to execute the contract by the contract buyer to sell the stocks on expiry date. Here also contract buyer will provide the premium to interest the buyer of the contract.
Option have the exercise price. Call option buyer will execute the contract when the price go up above the Exercise price.
Put Option buyer will execute the contract when the price go below the exercise price.