As a Noun:
1. Knowledge about abstract or theoretical things that has been gained by being told about them or by reading and studying. English = learning.
2. Knowledge about people and life that is acquired by your own personal experiences.
As a Verb or Adjective:
1. To find out about something, especially abstract or theoretical knowledge, by being told about it or by reading and studying about it. English = learn.
2. To find out something about life, in a moral and interpersonal sense, through your experiences. English = learn from your experiences. Idiomatic English = pick up, take in.