Nomenclature: A system of names used in a particular discipline, as in medicine and surgery, anatomy and biochemistry, etc. A standard system of nomenclature presupposes the existence of an organized classification of the entities within that field. From the Latin nomenclatura, a listing of names, from nomen, name, + calo, to proclaim.
Yangire (also referred to Cute and Psycho) is a Japanese term used to refer to normal people who suddenly become violent, sometimes due to a past trauma. Yangires are very similar to Yanderes, both are people who suffer from personality disorder and can easily become violent and extremely dangerous.
Yinyang, Wade-Giles romanization yin-yang, Japanese in-yÅ, in Eastern thought, the two complementary forces that make up all aspects and phenomena of life. Yin is a symbol of earth, femaleness, darkness, passivity, and absorption. It is present in even numbers, in valleys and streams, and is represented by the tiger, the colour orange, and a broken line. Yang is conceived of as heaven, maleness, light, activity, and penetration.