A call option is an option term.
The buyer buys the right to buy one type of currency and sell the other at the agreed price on a date in the future.
The Buyer shall pay an option fee to the counterparty bank on the second business day after the transaction without any obligation.
A put option is a symmetry of a call option.
The SELLER OF AN OPTION SELLS A RIGHT TO A COUNTERPARTY THAT HAS THE RIGHT TO BUY SOME FOREIGN CURRENCY FROM THE SELLER AT THE EXPIRATION DATE OF THE OPTION AT THE AGREED PRICE.
The seller receives an option premium paid by the buyer for selling the option.