'Letter' in the Bible

Governor Rehum and Shimshai the scribe wrote a letter concerning Jerusalem to King Artaxerxes as follows:

This is the text of the letter they sent. To: King Artaxerxes From: Your servants, the men of the province beyond the Euphrates River.

As soon as a copy of the letter from King Artaxerxes was read to Rehum, to Shimshai the scribe, and to their colleagues, they traveled quickly to Jerusalem and compelled the Jews to cease by force of arms.

Here is a copy of the letter that Trans-Euphrates Governor Tattenai, Shethar-bozenai, and his colleagues the Trans-Euphrates Persians sent to King Darius.

The letter sent to him was written like this: To: King Darius: Greetings!

Here is a copy of the letter that King Artaxerxes gave to Ezra, the priest-scribe, a scholar in matters concerning the commandments of the LORD and concerning his statutes pertaining to Israel: