(i) expertise, and skills acquired by a person through experience or education; the theoretical or practical understanding of a subject,
(ii) what is known in a particular field or in total; facts and information or
(iii) awareness or familiarity gained by experience of a fact or situation.
- Oxford English Dictionary
|Fields of knowledge|
Knowledge is the attainment of information and facts through complex cognitive processes: perception, learning, communication, association and reasoning. Knowledge is used to mean the understanding of a subject with the ability to use it for a specific purpose. Knowledge helps in the fostering of ideas. The capacity to create and understand the meaning of ideas is considered to be an essential and defining feature of human beings.