Conservation law refers to the fundamental principles of physics that dictate that certain quantities, such as energy, momentum, and angular momentum, are constant in a closed, isolated system. Synonyms for this term may include the laws of conservation, principles of conservation, conservation principles, or simply laws of physics. These laws help us to understand and describe the behavior of physical systems in the absence of external influences. Additionally, they form the backbone of many important scientific theories, such as thermodynamics and quantum mechanics, and they have practical applications in fields ranging from engineering to medicine. The principles of conservation are critical for understanding the universe and its workings.