quality control(The inspection, analysis, and other relevant actions taken to provide control over what is being done, manufactured, or fabricated, so that a desirable level of quality is achieved and maintained)
quality certification(The formal assertion in writing that a commodity, service or other product has attained a recognized and relatively high grade or level of excellence)
quality objective(Any goal or target established for a product, service or endeavor that aspires to attain a relatively high grade or level of excellence)