Prdct lf-cycl mngmnt (PLM) s th sccssn f strtgs by bsnss mngmnt s prdct gs thrgh ts lf-cycl. Th cndtns n whch prdct s sld (dvrtsng, strtn) chngs vr tm nd mst b mngd s t mvs thrgh ts sccssn f stgs.