im sorry man, i just cant filter the bears on here anymore, there is so many that tag me in complete garbage lmao.... My apologies brother.
Basically to break it down for you, Chainlink Allows the Block-chain to communicate with the outside world, So think of it like this, the Blockchain is strictly only able to send data within it self, and this is where Oracles come in, allowing that Data to be sent to the outside world.
That is the best basic explanation i can give , But yeah it plays a major role in the future or crypto