Quality of medical services can be defined through several dimensions, including effectiveness, efficiency, equity, patient-centeredness, safety, and timeliness. Effective healthcare ensures that treatments and interventions are based on the best available scientific evidence and achieve desired health outcomes. Efficient healthcare maximizes resource utilization while minimizing waste. Equity ensures that all individuals have access to necessary medical services regardless of socioeconomic status, race, or geographic location. Patient-centeredness emphasizes the importance of respecting patients' preferences, needs, and values. Safety involves minimizing risks and harm to patients, while timeliness ensures that patients receive prompt care.