The 1987 Philippine Constitution outlines the framework for the country's governance, detailing the principles, rights, and structures of government, including national territory, bill of rights, citizenship, suffrage, and the three branches of government: legislative, executive, and judicial. It establishes the rights of citizens and the responsibilities of public officers, emphasizing democratic principles and accountability. Key articles address social justice, human rights, and local governance, ensuring a representative democracy where sovereignty resides with the people.