RRR means Rules, Responsibility, Respect.
Rules: Rules means the rules of society that people has to follow which defines the right or wrong of our work.
Responsibility:
When we do something from our liability it is called Responsibility which comes with our ethical values.
Respect:
It defines the honor that we get for doing a good job.When someone shows respect to someone else in return of their ethical values.

Difference between teleology and deontology_
Teleology:
Teleology is known as results-oriented ethics and that ethical approach which is mainly focusing on the end result.
Deontology:
Deontology is known as duty-based ethics which defines about the right or wrong about the final result.