1 tn Here καί (kai) has not been translated because of differences between Greek and English style.
2 tn Concerning “Hades” BDAG 19 s.v. ᾅδης 1 and 2 states: “Orig. proper noun, god of the nether world, ‘Hades’, then the nether world, Hades as place of the dead, Ac 2:27, 31 (Ps 15:10; Eccl 9:10; PGM 1, 179; 16, 8; Philo, Mos. 1, 195; Jos., Bell. 1, 596, Ant. 6, 332). Of Jonah’s fish ἐκ τοῦ κατωτάτου ᾅδου. In the depths, contrasted w. heaven ἕως (τοῦ) ᾅδου Mt 11:23; Lk 10:15 (PsSol 15:10; cp.; Is 14:11, 15); ἐν τῷ ᾅδῃ 16:23; ἐν ῝Αιδου ApcPt Rainer. Accessible by gates (but the pl. is also used [e.g. Hom., X., Ael. Aristid. 47, 20 K.=23 p. 450 D.] when only one gate is meant), hence πύλαι ᾅδου (Il. 5, 646; Is 38:10; Wsd 16:13; 3 Macc 5:51; Pss. Sol. 16:2. – Lucian, Menipp. 6 the magicians can open τοῦ ῝Αιδου τὰς πύλας and conduct people in and out safely) Mt 16:18…locked ἔχω τὰς κλεῖς τοῦ θανάτου καὶ τοῦ ᾅδου Rv 1:18 (the genitives are either obj. [Ps.-Apollod. 3, 12, 6, 10 Aeacus, the son of Zeus holds the κλεῖς τοῦ ῝Αιδου; SEG VIII, 574, 3 (III ad) τῷ τὰς κλεῖδας ἔχοντι τῶν καθ᾿ ῝Αιδου (restored)] or possess.; in the latter case death and Hades are personif.; s. 2)…Hades personif.…w. θάνατος (cp. Is 28:15; Job 38:17…) Rv 6:8; 20:13f.”
sn In the OT, Hades was known as Sheol. It is the place where the unrighteous will reside (Matt 11:23; Luke 16:23; Rev 20:13-14).
3 tn Grk “Therefore write the things that you saw, and the things that are, and the things that will take place after these things.” Verse 19 could also be translated (taking καί…καί [kai…kai] as “both…and”): “Therefore write what you have seen, both what things currently are and what is going to happen after these things.” The structure of this verse is debated.