Legitimacy is a concept that encompasses a variety of ideas, including truth, FAIRNESS, JUSTICE, LAWFULNESS, VALIDITY, and AUTHENTICITY. Truth refers to the accuracy of facts or information, while FAIRNESS implies impartiality and equality in decision-making. JUSTICE is the concept of treating people fairly and equitably, while LAWFULNESS is the adherence to laws and regulations. VALIDITY is the quality of being legally binding, while AUTHENTICITY is the quality of being genuine and true. Finally, LEGALITY is the quality of being in accordance with the law. Together, these concepts form the basis of legitimacy.