ENTERPRISE IDENTIFIER (EID) tor or Government design activity. (3) Any technical data (whether prepared by the Government, contractor, or vendor) relating to the specification, design analysis, manufacture, acquisition, test, inspection, or maintenance of items or services. All information that contains authoritative engineering definition or guidance on material, constituent items, equipment or system practices, engi- neering methods, and process constitute engineering data. ENGINEERING DRAWING An engineering drawing is an engi- neering document that discloses (directly or by reference) by picto- rial or textual presentations, or combinations of both, the physical and functional end product requirements of an item. ENGINEERING DRAWING PACKAGE (EDP) A collection of product-related engineering drawings and associated lists in accor- dance with Mil-T-31000 and relating to design, manufacture, test, and inspection of an item or system. No longer an active term. ENGINEERING RELEASE An action whereby configuration documentation or an item is officially made available for its intended use. ENGINEERING SUPPORT DATA Engineering support data consists of text, schematics, drawings, program listings and com- puter generated outputs, functional flow diagrams, engineering reports (such as Test Strategy Reports), and any relevant technical information to provide for the life cycle support of an end item (end items may be either hardware or software end tests). Engineering support data is required for support at the Depot Level of mainte- nance and cognizant field activities. ENTER An explicit user action that affects computer processing of user entries. For example, after typing a series of numbers, a user might press an "enter key" that will add them to a database, subject to data validation. ENTERPRISE IDENTIFIER (EID) A unique identifier used to distinguish one activity or organization from another activity or organization. Examples of enterprise identifiers are: CAGE Code, Department of Defense Activity Address Code, Dun & Bradstreet's Data Universal Numbering System, NATO Cage Code, and GSI Company Prefix. An enterprise identifier code is uniquely assigned to an activity by an issuing agency registered in accordance with procedures outlined in ISO/IEC 15459-2. An enterprise may be an entity such as a design activity, manufacturer, supplier, depot, and program management office or a third party. 113