This book is based on five elements that can be used to show courtesy at work, namely:
1- Reputation: that the person is trustworthy and has a good reputation.
2 - Mutual Giving: A person's ability to exchange feelings of respect and sweet appreciation with others.
3- Acceptable personality: the ability to gain approval from others.
4 - Thanks and Appreciation: The ability to communicate feelings of appreciation and thanks to others
5 - Communication and the ability to form a network of strong human relations.