Rabshakeh: or, "political officer". Probably a renegade Jew.
Lachish. Now Tell el Hesy, or Umm Lakis. See the work on the excavations there, published by the "Palestine Exploration Fund". Compare note on 2Ki_18:17, and 2Ki_19:8.
with a great army. Foretold in Isa_29:1-6, as foretold in Isa_22:15-26.
he stood. In the same spot where Isaiah stood with Ahaz twenty-eight years before. See Isa_7:3.