entity(The representation of all the instances of a particular record. When changes are made to a record type, those changes will affect all individual records of that type); object(An entity, such as a file, folder, shared folder, printer, or Active Directory object, described by a distinct, named set of attributes. For example, the attributes of a File object include its name, location, and size; the attributes of an Active Directory User object might include the user's first name, last name, and e-mail address); site(A business location to which resources are assigned. A site is used to ensure that all resources required for a service are in the same physical location)
ActiveX object(An object supplied by a component that supports Automation); Automation object(An object supplied by a component that supports Automation)
BCD object(A collection of elements that describes the settings for the object that are used during the boot process. There are three main types of objects: application, device, and inherited)
