Ethical theory emphasizes the importance of understanding and evaluating moral principles and values in order to make ethical decisions and judgments. It seeks to provide a framework for determining what is right or wrong, good or bad, and just or unjust in various situations. Ethical theory also aims to promote ethical behavior and guide individuals in making choices that are morally sound and in line with their values and beliefs. Ultimately, ethical theory helps individuals and societies navigate complex moral dilemmas and strive towards a more ethical and just world.