Upgrade: The act of enhancing the performance of hardware or software by replacing the existing product with a newer or improved version.

User: An individual that uses the Suprema device.

User group: A group of users that is created for ease of management. A component of the access group.

User ID: An identification code comprised of the alphabet, numbers, or a combination of both used to identify a certain user.

User synchronization: The act of automatically sending to the device the user information that has been modified on the BioStar server.