Karma is one of the fundamental concepts of Buddhism. A good grasp of the meaning and implications of karma will help you to appreciate the liberating potential of the Buddha's teachings. Karma is about responsibility — taking it and understanding how one thing affects another. This chapter will look at common misconceptions about karma, and how karma serves as the ethical core of Buddhist practice. This chapter will also examine the Buddhist worldview through the realms of desire, form, and formlessness, and the wheel of life.