Domestic affairs refer to issues and matters that relate to the internal affairs of a country, such as its governance, economy, social policies, education, healthcare, infrastructure, and security, among others. It is essentially everything that is happening within the borders of a nation, as opposed to international or foreign affairs, which concern relations between countries. Domestic affairs can be influenced by the actions of government, political leaders, and citizens, and can have a significant impact on the well-being and prosperity of a nation.