What is the meaning of Daniel 10:1?

* The two F.O.G. Bibles & Commentary below are currently a work in progress.

In the third year of Cyrus king of Persia, a message was revealed to Daniel, who was called Belteshazzar. The message was true, and it concerned a great conflict. And the understanding of the message was given to him in a vision.

Berean Standard Bible (BSB)

In the third year of Cyrus king of Persia a thing was revealed to Daniel, whose name was called Belteshazzar; and the thing was true, even a great warfare: and he understood the thing, and had understanding of the vision.

World English Bible (WEB)

In the third{H7969} year{H8141} of Cyrus{H3566} king{H4428} of Persia{H6539} a thing{H1697} was revealed{H1540}{(H8738)} unto Daniel{H1840}, whose name{H8034} was called{H7121}{(H8738)} Belteshazzar{H1095}; and the thing{H1697} was true{H571}, but the time appointed{H6635} was long{H1419}: and he understood{H995}{(H8804)} the thing{H1697}, and had understanding{H998} of the vision{H4758}.

Strong's King James

In the third year of King Koresh of Persia, a word was revealed to Dani'el, his appointed name was Belt’shatzar. The word is firm truth of great warfare. He paid attention to the word, as he had attentive understanding in the vision.

The F.O.G*

The F.O.G Paraphrase

In the third year of Cyrus king of Persia, a thing is revealed to Daniel, whose name is called Belteshazzar, and the thing is true, and the warfare is great: and he hath understood the thing, and hath understanding about the appearance.

Young's Literal Translation