Concept: Foreign policy is a state's overall plan for dealing with other countries.
Explanation: Foreign policy guides how a government behaves in international affairs.
It covers decisions on diplomacy, trade, alliances, and security.
These actions are based on national interests and long-term goals.
In simple terms, it is the broad framework of a state's conduct toward the outside world.
Therefore, among the options, the correct meaning is the general principles of a state's international behaviour.
Answer: B. the general principles of a state's international behaviour.