Everything that affects a user’s interaction with that product.
What does this mean?
Best App in the world!
No one buys it...
Confusing & Clumsy!
Then...
Frustration & Resist to Change
Takes the user’s need into account at every stage of the product cycle.
User eXperience Design
is the PROCESS of enhancing user satisfaction by improving the usability, accessibility, and pleasure provided in the interaction between the user and a product.