'Letters' in the Bible

So she wrote letters in Ahab's name, and sealed them with his seal, and sent the letters unto the elders and to the nobles that were in his city, dwelling with Naboth.

And she wrote in the letters, saying, Proclaim a fast, and set Naboth on high among the people:

And the men of his city, even the elders and the nobles who were the inhabitants in his city, did as Jezebel had sent unto them, and as it was written in the letters which she had sent unto them.