The term "United States Intelligence Community" refers to the collection of various agencies and departments within the federal government that are responsible for gathering and analyzing intelligence information. Synonyms for this term include the National Intelligence Community, the US intelligence apparatus, the American intelligence establishment, and the US intelligence community. Other related terms include intelligence services, intelligence agencies, and national security agencies. This complex web of organizations includes entities such as the Central Intelligence Agency, the Federal Bureau of Investigation, the National Security Agency, and the Department of Homeland Security, among others. These agencies work together to gather and analyze intelligence information in order to protect national security interests and ensure the safety of Americans both domestically and abroad.