Customer Needs, Wants, and Demands:

The most basic concept underlying marketing is that of human needs,Human needs are states of felt deprivation. They include basic physical needs for food ,clothing ,warmth,and safety ;socials need for belonging and affection ;and individual needs for knowledge and self expression. These needs were not created by marketing they are a basic part of the human makeup.
WANTS:

Are the form human needs take as they are shaped by culture and individual personality.An American needs food but wants a Big mac french fries and soft drink.A person is Mauritius needs food but want's a mango, rice ,lentils, and beans. Wants are shaped by one's society and are described in terms of object that will satisfy needs.