<Li> Zero Defect Program--created by NEC Corporation of Japan, based upon statistical process control and one of the inputs for the inventors of Six Sigma . </Li> <Li> Six Sigma--6σ, Six Sigma combines established methods such as statistical process control, design of experiments and failure mode and effects analysis (FMEA) in an overall framework . </Li> <Li> PDCA--plan, do, check, act cycle for quality control purposes . (Six Sigma's DMAIC method (define, measure, analyze, improve, control) may be viewed as a particular implementation of this .) </Li> <Li> Quality circle--a group (people oriented) approach to improvement . </Li>

Enumerate and explain the indicators of quality plan