Gear-shift, also known as gear lever or shifter, is an essential component of an automobile. It allows the driver to shift gears and control the speed of the vehicle. There are various synonyms for the term gear-shift that are quite popular in different parts of the world. For instance, in the UK and other English-speaking countries, it is commonly referred to as a gear stick. In the US, however, it is often called a gear shifter or a shift knob. Other synonyms for the term gear-shift include gear selector, gear changer, shift lever, and transmission lever, to name a few. Regardless of the name used, the gear-shift remains an integral part of any car.