The Process of Learning

The Process of Learning: There are three stages of learning:
(Stage 1) introduction to a concept by means of a lecture, lesson, something read in a book, etc.
(Stage 2) processing the information, developing an understanding of the concept through work, experimentation, creation.
(Stage 3) "knowing", to possessing an understanding of, demonstrated by the ability to pass a test with confidence, to teach another, or to express with ease.