Symmetry, in the context of physics, refers to the invariance of physical laws under specific mathematical transformations, such as rotations, translations, or changes in time. The presence of such a symmetry means that the underlying physical equations remain unaltered even after the system undergoes the specified transformation. These symmetries are fundamental because they impose rigorous constraints on the allowed forms of physical theories, leading directly to fundamental conservation laws. For instance, the invariance of a system's laws with respect to time implies the conservation of energy, while spatial translation invariance ensures the conservation of momentum. The search for hidden symmetries and their associated conservation principles remains a central goal in theoretical physics.