Both of these frameworks are part of Total Quality Management, in which industries have, since 1950, formalized their business processes and metrics in search of higher quality, fewer defects, and greater efficiency.
这两个框架都是更大的内容“全面品质管理”（Total Quality Management）的一部分，自1950年起，许多行业从中逐步规范化它们的业务处理和度量，以寻求更高的品质、更少的缺陷，以及更高的效率。