Registration is the process of officially recording or documenting something. It is often used in the context of registering for classes, events, or activities. Registration can also refer to the act of signing up for a service or product, such as registering for a website or registering a vehicle. In some cases, registration may be required by law, such as registering to vote or registering a business. The term 'LISTING' is often used in the context of registering for something, as it refers to the act of adding one's name to a list of people who have registered for a particular event or activity.