FARC: "Revolutionary Armed Forces of Colombia;" a terrorist group which claims to aid the rural poor in a fight against the upper class in Columbia and provide resistance against the United States' influence in the country.
FEMA: "Federal Emergency Management Agency;" the agency within the United States government charged with assisting in preparing for attacks in the case of a threat, and dealing with post-attack relief efforts.
HAMAS: "Islamic Resistance Movement;" a terrorist group from the Palestinian territory which commits acts against civilians and Israeli military forces in an effort to destroy the state of Israel and replace the area it occupies with a Palestinian state.
Hezbollah: A Lebanon-based Shi'a Islamic group with the goals of eliminating Western power in Lebanon and replacing it with an Islamic government.
Homeland Security Advisory System: A system designed to spread information about the risk of terrorist acts to all levels of government authority, and the American people.
jihad: A war declared on behalf of Islam.