For example, an apple is still on the tree waiting to be sold. Now you are the owner, and you say in the market that you want to sell the ownership of this apple. This is a futures. The option is the ownership of this apple and you will pay when you buy it, right? No one knows whether the price of apples will rise or fall, right? Then I will sell this ownership once in order not to lose money.

Simply put, options are futures within futures