Obviousness, Self-evidence (Selbstverständlichkeit), 2, 4, 21-22, (of what is handed down), 28, 49-50, 55, 59, 74, 92, 93 + fn, 115-116, 121, 132, 150, 170, 188-189, 219, 277, 286, 311, 320 n. 19, 332, 334, 351, 354, 358, 371, 387, 407; “matter of course,” 75, 81, 160; the “business of philosophers” is the questionability of all, 4, 23, 219-220, 334. See also absorption; dwelling; familiarity; nearest/farthest; uncanniness; understanding of being (BT)