'Letters' in the Bible

And Ahab hath seventy sons in Samaria, and Jehu writeth letters, and sendeth to Samaria, unto the heads of Jezreel, the elders, and unto the supporters of Ahab, saying,

And Hezekiah taketh the letters out of the hand of the messengers, and readeth them, and goeth up to the house of Jehovah, and Hezekiah spreadeth it before Jehovah.

At that time hath Berodach-Baladan son of Baladan king of Babylon sent letters and a present unto Hezekiah, for he heard that Hezekiah had been sick;