NAS 9300-007 : LOTAR
A representation of information about a product in a formal manner suitable for communication, interpretation, or processing by human beings or by computers.
See Also:
Product Lifecycle Data, Representation, Data
Alternate Definitions:

ISO 10303-1 - data that is a representation of product information

MBE Maturity Index - Product lifecycle data that pertains to product definition, along with data describing product development.