How to use "concise" in a sentence

Sentences

"But if he can send dreams to you," Elliot said, "why wouldn't he simply transmit a neat, clear message telling you what's happened to him and where he is? Wouldn't that get him the help he wants a lot faster? Why would he be so unclear and indirect? He should send a concise mental message, psychic E-mail from the Twilight Zone, make it a lot easier for you to understand."

He can't send 'concise mental messages' because he doesn't have that much power or control