What is the difference between data and information and knowledge and intelligence?

Data: raw information

Information: data that you can use

Knowledge: the sum of what is known : the body of truth, information, and principles acquired by humankind

Intelligence: knowledge gained from analysing data or information

These are fairly broad definitions and are often slightly different when put into a specific context such as business intelligence, mililtary intellingence, philosophy, etc.

The difference between data and intelligence is data are facts, where information is data that is used to answer a question or resolve a problem. Knowledge is the consumption or absorption of data whereas intelligence is application of information to a circumstance.