allow(To permit someone else to perform an action. For example, to let someone else see your online status, send you messages, or see your public Messenger information); resolve
permissions(Authorization to perform operations associated with a specific shared resource, such as a file, directory, or printer. Permissions must be granted by the system administrator to individual user accounts or administrative groups)
Allow(A permission setting that permits a person or domain to add the user to contact lists, see the user's status, or send instant messages to the user)