Definicija: In Active Directory, an object that consists of all the information that defines a domain user, which includes user name, password, and groups in which the user account has membership. User accounts can be stored in either Active Directory or on your local computer.

Definicija: A security feature that helps prevent unauthorized changes to a computer, by asking user for permission or administrator credentials before performing actions that could potentially affect the computer's operation or that change settings that affect multiple users.

Definicija: All the information that defines a user to the operating system, including the user name and any required password, membership in groups, and the rights and permissions that are associated with the user.