Product Data Exchange Specification (is the result of activity by the US National Bureau of Standards and the International Standards Organization (ISO).

Product Data Exchange using STEP (SC4 Standard)

(n) An acronym for product data exchange using STEP, a new data exchange standard that attempts to incorporate information for the complete life cycle of the product. The type of information covered includes shape, design, manufacturing, quality assurance, testing, support, etc. As indicated by its name, PDES incorporates the evolving STEP standard.