Chapter 5: Terms and Definitions

For the purposes of this bulletin, the following terms and definitions apply.

5.1 acquisition reform: An ongoing series of initiatives sponsored by the Office of the Secretary of Defense to streamline and tailor the acquisition process.
5.2 analysis of tasks: See Task Analysis.
5.3 commercial-off-the-shelf (COTS): A product or service that has been developed for sale, lease, or license to the general public and is currently available at a fair market value.
5.4 contract data requirements list (CDRL): The standard format for identifying potential data requirements in a solicitation, and deliverable data items in a contract.
5.5 critical task: A task requiring human performance which, if not accomplished in accordance with system requirements, will most likely have adverse effects on cost, system reliability, efficiency, effectiveness, or safety. A task is also considered critical whenever equipment design characteristics demand human performance that approaches the limits of human capabilities.
5.6 Customer: The internal and/or external users of the system being designed/developed. For the purposes of this bulletin, the customer generally refers to the integrated product team (internal) or to the acquisition office or commercial entity (external) that has contracted for human engineering support services.
5.7 data item description (DID): A completed document that defines the data requirements of a contract. The document specifically defines the data content, format, and intended use.
5.8 environment: The aggregate of all the conditions and influences including physical location and operating characteristics of surrounding equipment and occupants, including temperature, humidity, and contaminants or surrounding air; operational procedures,...

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GEIA Engineering Bulletin: Human Engineering: Principles and Practices

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