Personal experience to apply information, data, and facts for coping with practical tasks.
Knowledge belongs to individual. Knowledge cannot be placed on the carrying medium. It is dynamic i.e. permanently changing. First of all it is ‘Personal Knowledge’. Applied meaning is close to “tacit knowledge” [Michael Polanyi, 1951]
Context: Components of knowledge acquisition process /Researching Future
 Tacit knowledge is knowledge that people carry in their minds. Tacit knowledge is considered more valuable because it provides context for people, places, ideas, and experiences. Effective transfer of tacit knowledge generally requires extensive personal contact and trust.