Misinformation is wrong or misleading information. ~Oxford English Dictionary
Disinformation is false information deliberately and often covertly spread (as by the planting of rumors) in order to influence public opinion or obscure the truth. ~Oxford English Dictionary
Knowledge Pyramid
"As being discrete, objective facts or observations, which are unorganized and unprocessed and therefore have no meaning or value because of lack of context and interpretation." Rowley, Jennifer; Richard Hartley (2008). Organizing Knowledge: An Introduction to Managing Access to Information, 4th ed. Ashgate, 2008.
"Data is defined as a symbol that represents a property of an object, event, or of their environment. It is the product of observation but is of no use until it is in a usable (that is , relevant) form." Ackoff (1989)
"Information is inferred from data." Ackoff (1989)
"Is that which is obtained by the processing of data." ~Oxford English Dictionary.
The study of knowledge is known as Epistemology.
"Knowledge is a familiarity, awareness or understanding of someone or something, such as facts, information, descriptions, or skills, which is acquired through experience or education by perceiving, discovering, or learning." ~Wikidipedia
"Knowledge is the apprehension of fact or truth with the mind; clear and certain perception of fact or truth; the state or condition of knowing fact or truth." ~Oxford English Dictionary
"Capacity of judging rightly in matters relating to life and conduct; soundness of judgment in the choice of means and ends; sometimes, less strictly, sound sense, esp. in practical affairs: opp. to folly." ~Oxford English Dictionary
