Divizarea pietei in segmente in functie de variatiile volumului cererilor pentru un produs de catre indivizi, grupuri sau tipuri de consumatori; in mod normal, segmentele sunt folosite pentru a determina utilizarea frecventa, medie sau redusa.
The division of a market into segments on the basis of the varying volume of demand for the product by individuals, groups or types of customers; typically, the segments are ranked to denote heavy usage, medium usage or light usage.