It — The altar or pillar last mentioned. A witness — To testify that they own the Lord for their God. Cry — Being sorely distressed, they shall turn unto the true God. A great one — A great or mighty Saviour, even Christ.
Related Commentaries of Isaiah 19:20
Isaiah 19:20
20 And it shall be for a sign and for a witness unto the LORD of hosts in the land of Egypt: for they shall cry unto the LORD because of the oppressors, and he shall send them a saviour, and a great one, and he shall deliver them.