外交

In a sentence

• 日本の外交政策には経済協力が含まれています。

  Japan's foreign policy includes economic cooperation.

  In this sentence, '外交' is used to refer to 'foreign relations' or 'foreign policy', demonstrating its application in discussing national policy activities.

• 彼は外交官としてさまざまな国で働いてきました。

  He has worked in various countries as a diplomat.

  Here, '外交' is part of the word '外交官', which means 'diplomat', indicating a professional role in the scope of international relations.

• 外交的な解決方法を模索する必要があります。

  It is necessary to seek diplomatic solutions.

  In this example, '外交的' is an adjective derived from '外交', used to describe solutions that involve diplomacy or international negotiation approaches.