Dear friend

You have explained all questions very well.
You have explained very well what is the role of blockchain oracles how the act as a intermediate for the transfer of Information and how the facilitates the blockchain world.

Further more you have explained in very detail the different types of Blockchain oracles and made it clear for everyone.

Then you give us the importance of decentralized oracles which are more fast Precision and accuracy as compare to Centralralized oracles.

You have explained all the parts of topic very well.

Good luck