What does learning mean?

My brainstorming exercise of what learning means; what comes of it, how does it evolve, the levels, the feeling and atmospheres and interest of complex definitions.  From numerous sources, the creation of a learning document was the first step to understanding.
What is learning? Is it a change in behaviour or understanding? Is it a process? What is its definition? What do others think of learning?

THE GREAT ALBERT EINSTEIN
    The only thing that interferes with my learning is my education.
 A GUY WHO HAS CHANGED LEARNING- Steve Jobs
    Each year has been so robust with problems and successes and learning experiences and human experienes that a year is a lifetime at Apple. So this has been ten lifetimes.
FROM INSPIRING PAINTINGS and INVENTIONS and EXTENSIVE ACHIEVEMENTS- Leonardo da Vinci
   While I thought that I was learning how to live, I have been learning how to die. Learning never exhausts the mind.