An ambassador is the highest-ranking diplomatic representative of a country to another country.

The head of a diplomatic mission has a wide range of responsibilities, including representing their country's interests, promoting friendly relations between countries, and negotiating agreements between countries.

The head of state, such as the president or king, typically appoints the head of a diplomatic mission.

The term of office for a head of a diplomatic mission is typically four years.

Ambassadors are higher-ranking than consuls. Ambassadors are the heads of diplomatic missions, while consuls are responsible for providing consular services to their country's citizens living in the host country.

Heads of diplomatic missions are higher-ranking than charges d'affaires. Heads of diplomatic missions are the heads of diplomatic missions, while charges d'affaires are temporary representatives who serve in the absence of a head of mission.

Diplomatic immunity is the right of a diplomat to be immune from prosecution and taxation in the host country.

The Vienna Convention on Diplomatic Relations is a treaty that codifies the rules of diplomatic relations.

The United Nations plays a vital role in diplomatic relations by promoting friendly relations between countries, resolving disputes between countries, and maintaining international peace and security.

The International Court of Justice plays a vital role in diplomatic relations by settling legal disputes between countries, interpreting international law, and giving advisory opinions on legal questions.

The United Nations Security Council plays a vital role in diplomatic relations by maintaining international peace and security, authorizing the use of force, and imposing sanctions on countries.

The United Nations General Assembly plays a vital role in diplomatic relations by adopting resolutions on a wide range of issues, electing the members of the Security Council, and approving the budget of the United Nations.

The United Nations Economic and Social Council plays a vital role in diplomatic relations by promoting international economic and social cooperation, coordinating the activities of the United Nations specialized agencies, and making recommendations on economic and social issues.

The United Nations Trusteeship Council plays a vital role in diplomatic relations by overseeing the administration of trust territories, promoting the self-government of trust territories, and preparing trust territories for independence.

The United Nations International Court of Justice plays a vital role in diplomatic relations by settling legal disputes between countries, giving advisory opinions on legal questions, and promoting the peaceful settlement of disputes.