Charge conjugation is a fundamental symmetry operation in particle physics that transforms particles into their corresponding antiparticles. For example, it changes an electron, which has a negative electric charge, into a positron, its antiparticle, which has a positive charge. This operation helps physicists understand the behavior of particles and their interactions. In theoretical frameworks, such as the Standard Model of particle physics, charge conjugation is crucial for analyzing the properties of particles and ensuring that physical laws remain consistent. It plays a significant role in processes like CP violation, which involves the interplay of charge conjugation and parity transformations, helping to explain the matter-antimatter asymmetry in the universe.