Cogs, gears, pinions, sprockets, wheels within wheels, toothed wheels, ratchets and flywheels are all synonyms for the word cogwheels. These mechanical components work together to provide motion and power to a variety of machines and devices. Cogwheels can be found in everything from bicycles and cars to industrial equipment and watches. They are often made of metal and have teeth that interlock with other gears to create movement and transfer power. Whether you call them cogs or gears, these essential mechanical components play a crucial role in the functioning of modern technology.