a) The descriptive and supporting data that is connected to the program or the program elements. It is intended to both aid the direct use of program content and support the retrieval of content as needed during the post-production process. b) Generally referred to as “data about data” or “data describing other data.” More specifically, information that is considered ancillary to or otherwise directly complementary to the essence.

Any information that a content provider considers useful or of value when associated with the essence being provided.