الكبائر, also known as the Book of Major Sins, is an educational reference program that focuses on major sins and transgressions a Muslim should avoid. This comprehensive book lists various major sins including polytheism, murder, adultery, theft, lying, and many more. It serves as a guide for Muslims to understand and steer clear of behaviors that are considered grave sins in Islam.

The program provides a detailed insight into each major sin, emphasizing the importance of avoiding these actions in the practice of Islam. With a wide range of sins covered, users can learn about the consequences of such behaviors and strive to lead a righteous life.