'Letter' in the Bible

Then King Hiram of Tyre wrote a letter and sent it to Solomon:Because the Lord loves His people, He set you over them as king.

Then a letter came to Jehoram from Elijah the prophet, saying:This is what Yahweh, the God of your ancestor David says: “Because you have not walked in the ways of your father Jehoshaphat or in the ways of Asa king of Judah

And the runners went with the letter from the hand of the king and his princes throughout all Israel and Judah according to the command of the king, saying, "O sons of Israel, return to Yahweh, the God of Abraham, Isaac, and Israel, that he may turn again to the remnant of you who escaped from the hand of the kings of Assyria.

And he wrote a letter to rail at Jehovah the God of Israel, and to speak against him saying, As the gods of the nations of the countries have not delivered their people out of my hand, so shall not the God of Hezekiah deliver his people out of my hand.