The term "hand brake" is commonly used in reference to the manual braking system in a vehicle. However, there are various synonyms for this term that can be used interchangeably. Some of the most common ones include parking brake, emergency brake, and e-brake. Other terms that may be used include hand brake lever, handbrake, or simply brake lever. In some regions, the hand brake may also be referred to as a parking brake, or a park brake. Regardless of the term used, this mechanism is a crucial part of any vehicle, providing a critical safety feature that can be used in an emergency or to hold a parked vehicle in place.