This document discusses the classification of fractures by Dr. Shaheryar Aziz. It begins with the aims and objectives of introducing orthopedics and defining fractures. It then explains that fractures are disruptions or breaks in bone continuity. Traumatic injuries are the most common cause of fractures, which can occur through direct or indirect twisting, compression, bending, or tension forces. Fractures are classified based on etiology, displacement, communication with the external environment, site of fracture, morphology, and stability.