What is the key difference between intentional and unintentional learning?

 
What is the key difference between intentional and unintentional learning?
What is habituation, and what does the concept of adaptation level have to do with it? How does it tie to framing?
Define the concept of consumer motivation. What two orientations are driven by consumer motivations?
Please use 
 Babin, Barry J. and Harris, Eric (2018). CB (9th ed.). Cengage. 
and one reference