Move semantics, introduced with C++11, revolutionized resource management by allowing efficient transfer of ownership instead of costly deep copies. When an object is no longer needed in its original location, the compiler can “move” its internal state to a new object, essentially swapping pointers and nullifying the source. This mechanism shines in scenarios such as returning large containers from functions or handling temporary objects in modern algorithms. To enable move semantics, a class should provide a move constructor and move assignment operator, typically defined as Class(Class&&) noexcept and Class& operator=(Class&&) noexcept. The noexcept specifier hints to the compiler that these operations won’t throw, allowing further optimizations like avoiding exception safety overhead. Moreover, standard containers like std::vector and std::string automatically use move semantics, leading to significant performance gains in high‑throughput applications. Understanding when and how to implement these special member functions is crucial for writing efficient, modern C++ code.