CIA = Central Intelligence Agency
You should go to the CIA website and read their section on their strategic statement if you want to see how they define intelligence.
https://www.cia.gov/about-cia/strategic-intent-2007-2011.html
* Collecting information that reveals the plans, intentions and capabilities of our adversaries and provides the basis for decision and action.
* Producing timely analysis that provides insight, warning and opportunity to the President and decisionmakers charged with protecting and advancing America's interests.
* Conducting covert action at the direction of the President to preempt threats or achieve US policy objectives.
Central Intelligence Agency Understudies
Central Intelligence Agency :)
Central Intelligence Agency (CIA)
The letters OSS typically stand for Office of Strategic Services. It was a United States intelligence agency during World War II and is considered as a predecessor to the Central Intelligence Agency (CIA).
NSA stands for National Security Agency. It is a United States intelligence agency responsible for global monitoring, collection, and processing of information and data for foreign intelligence and counterintelligence purposes.
The acronym MI5 stands for the British government department known as Military Intelligence Five.
Bureau of Alcohol, Tobacco, and FIREARMS.
Housing and Urban Development. It is an agency of the federal government.
The Office of Strategic Services (OSS) was a United States intelligence agency formed during World War II.
In the South African context, NIA stands for the National Intelligence Agency. It was responsible for domestic intelligence and security matters in the country. The NIA was merged with the South African Secret Service in 2009 to form the State Security Agency (SSA), which now handles both domestic and foreign intelligence operations.
The MGB was the Russian intelligence agency during the years of 1946 to 1953. This Ministry of State Security was the country's secret police organization.
The full form of ISI can vary depending on the context. It could stand for Inter-Services Intelligence (Pakistan's intelligence agency), Indian Statistical Institute (a research institute), or International Statistical Institute (a professional association).