Symbolical

(1) of spiritual blindness or ignorance (Isa. 9: 2; Matt. 6: 23; John 1: 5; John 3: 19; John 8: 12; John 12: 35, 46; Rom. 13: 12; Eph. 5: 8, 11; 1 Thes. 5: 5; 1 Pet. 2: 9; 1 Jn. 1: 5-6; 1 Jn. 2 :8-11);

(2) of death (“land of darkness”) Job 10: 21-22), and of separation from God (Matt. 8: 12; Matt. 22: 13; Matt. 25: 30; 2 Pet. 2: 17; Jude 1: 6, 13).