-
1 user account
"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." -
2 User Account Control
"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."