process by which products are designed with ease of assembly considerations. (e.g., if a product contains fewer parts it will take less time to assemble, thereby reducing assembly costs).

Source: IATF (https://www.iatfglobaloversight.org/)

combination of two methodologies: Design for Manufacture (DFM), which is the process of optimizing the design to be easier to produce, have higher throughput, and improved quality; and Design for Assembly (DFA), which is the optimization of the design to reduce risk of error, lowering costs, and making it easier to assemble.

Source: IATF (https://www.iatfglobaloversight.org/)

systematic methodology, tools, and techniques with the aim of being a robust design of products or processes that meets customer expectations and can be produced at a six sigma quality level

Source: IATF (https://www.iatfglobaloversight.org/)

organization with authority to establish a new, or change an existing, product specification.
NOTE This responsibility includes testing and verification of design performance within the customer’s specified application.

Source: IATF (https://www.iatfglobaloversight.org/)