Heart， mind， spirit， motive， sense， mentality， idea， thought， feeling. Wholeheartedness， sincerity， attention， interest， care， intention， will， mood. Essence， core， marrow.（1） The organ of conceptualization; thinking. One of the six faculties， often written in Chinese as 意 （yi）. （2） The mind as the principle of the universe. In this understanding the three worlds are only mind， and outside of mind there is no separate existence （唯心）. （3） The enlightened mind-essence which is the basis for the manifestation of various buddha-bodies.