Specialization refers to the process or practice of becoming an expert in a particular field, skill, or activity. It involves focusing on and developing specific knowledge, skills, and abilities related to that area, often through years of education, training, and experience. Specialization can lead to greater efficiency, productivity, and innovation as individuals become highly proficient in their chosen areas of expertise. In a broader sense, specialization is also used to describe the division of labor among different groups or organizations, where each group focuses on performing specific tasks or providing particular services.