This is the 1161st most frequent Japanese word.
外交
Diplomacy.
In this sentence, '外交' is used to refer to 'foreign relations' or 'foreign policy', demonstrating its application in discussing national policy activities.
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.
Here, '外交' is part of the word '外交官', which means 'diplomat', indicating a professional role in the scope of international relations.
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.
In this example, '外交的' is an adjective derived from '外交', used to describe solutions that involve diplomacy or international negotiation approaches.