Facticity (Faktizität), 56, 59, 72 n. 1, 120, 128, 135, 145, 179, 181, 190-193, 222, 229, 231, 250, 252, 275-276, 284, 298, 314, 316, 328, 348, 350, 404; and existentiality, 181, 191-192, 221-222, 231, 249-250, 276, 284-285, 328, 364. See also attunement; historicity; having-been; thrownness (BT)