Familiarity (Vertrautheit), 104, 142, 274; with the world (its significance), 54, 76, 86-87, 110, 123, 188, 342, 354; with itself as the they-self, 129; everyday, 189; ontically nearest as familiar (bekannt), 43, 371, 405, 308. See also obviousness; reference; uncanniness (BT)