What is the meaning of national intelligence?

(DoD) The terms "national intelligence" and "intelligence related to the national security" each refers to all intelligence, regardless of the source from which derived and including information gathered within or outside of the United States, which pertains, as determined consistent with any guidelines issued by the President, to the interests of more than one department or agency of the Government; and that involves (a) threats to the United States, its people, property, or interests; (b) the development, proliferation, or use of weapons of mass destruction; or (c) any other matter bearing on United States national or homeland security.