By definition, information is piecemeal, unstructured, timely, etc. and the main purpose of information is to inform. The communication aspect is implied in information which flows from a sender to a receiver. Knowledge is a consolidation of validated data and information that constitutes a body of coherent and structured reservoir. To this body is added further knowledge and hence, this keeps on increasing as a stock, at times leading to modification of existing knowledge
examples of data, information and knowledge served by libraries and information centres in the context of mass communication.
Data, e.g., trade and industrial statistics, price index, entertainment announcements, etc.
Information, e.g., processed information of weather to warn farmers during times of monsoons, stock exchange information for investments, reports of music concerts, news about national and international events, etc.
Knowledge, e.g., press responsibilities vis-Ã -vis democratic institutions in the form of a report, international information order as exemplified by the third world countries meetings, the best , etc.
