In the context of the psychological variables of buying behavior, is the process by which a person selects, organizes, and interprets information received from his or her senses

The answer to this question is Perception.
Because of that interpreatation, Through perception, two different individuals could receive the same input but create two different conclusions.
For example If french people got kissed by a stranger in the mouth at the first greeting, they may consider that stranger as 'friendly'. In Asian countries however, same behavior maybe perceived as something disrespectful.