1. The mental faculties in general. 2. To pay attention to, or fix the mind on, some object of perception or idea. 3. The buddha-mind (busshin 佛心), the awakened mind of Shakamuni Buddha, also called the mind-dharma (shinbō 心法) which is transmitted in the Zen lineage. 4. The "heart" or "essence" of something. This is the meaning intended in the title of the Heart Sutra (Hannya Shingyō 般若心經), which is said to contain the distilled essence of the perfection of wisdom genre of sutras.