How or on what basis is the profile of the target customer prepared?

How or on what basis is the profile of the target customer prepared?

It may be prepared on the following criteria:

a.Type of customer: whether individual or group.

b. Income : whether he belongs to the upper class, upper middle class, lower middle class or lower class.

c. Media exposure : print media like newspapers, magazines, journals or audio visual like TV, radio, street hoardings etc.

d.Occupation : whether he is into service or business.