1. In security, a list of entities, together with their access rights, that are authorized to access a resource. 2. A mechanism implementing discretionary and/or mandatory access control between subjects and objects. 3. A list associated with an object specifying the access rights of subjects to that object. 4. A set of control attributes. It is a list, associated with a security object or group of security objects. The list contains the names of security subjects and the type of access that may be granted. 5. A list of entities, together with their access rights which are authorized to have access to a resource. 6. Discretionary access control mechanism associated with an object, consisting of a list of entries, where each entry is a subject identifier coupled with a set of access permissions.