text: Glossary
  intergovernmental organization
  (Joint) An organization created by a formal agreement, such as a treaty, between two or more
  governments. It may be established on a global, regional, or functional basis for wide-ranging
  or narrowly defined purposes. Formed to protect and promote national interests shared by
  member states. Examples include the United Nations, North Atlantic Treaty Organization,
  and the African Union (JP 3-08).
  internal defense and development
  (IDAD, DOD) The full range of measures taken by a nation to promote its growth
  and to protect itself from subversion, lawlessness, and insurgency. It focuses on building
  viable institutions (political, economic, social, and military) that respond to the needs
  of society.
  irregular forces
  (DOD) Armed individuals or groups who are not members of the regular armed forces,
  police, or other internal security forces (FM 3-07).
  irregular warfare
  A broad form of conflicts in which insurgency, counterinsurgency, and unconventional
  warfare are the principle activities (FM 3-0).
  isolate
  In the context of defeat mechanisms, to deny an enemy or adversary access to capabilities that
  enable the exercise of coercion, influence, potential advantage, and freedom of action
  (FM 3-0).
  joint
  Connotes activities, operations, organizations, and so on, in which elements of two or more
  Military Departments participate (JP 1-02).
  joint force
  A general term applied to a force composed of significant elements, assigned or attached,
  of two or more Military Departments, operating under a single joint force commander
  (JP 1-02).
  joint operations
  A general term to describe military actions conducted by joint forces, or by Service forces
  in relationships, such as support or coordinating authority which, of themselves,do not create
  joint forces (JP 1-02).
  key terrain
  Any locality, or area, the seizure or retention of which affords a marked advantage to either
  combatant (JP 1-02).
  leadership
  The process of influencing people by providing purpose, direction, and motivation, while
  operating to accomplish the mission and improving the organization (FM 6-22).
  line of effort
  A line that links multiple tasks and missions using the logic of purpose—cause and effect—to
  focus efforts toward establishing operational and strategic conditions (FM 3-0).
  line of communications
  (Joint) A route, either land, water, or air, that connects an operating military force with a base
  of operations and along which supplies and military forces move (JP 1-02).