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Data, Information and Knowledge
Raw facts and figures are data.

Here is an example of some data : 15, 12, 19

Once data has been organised or processed to make it meaningful, it becomes information.

 

   Data + Meaning = Information  

 
Here is an example of information :

Supermarket A sells blivets for £15 each.
Supermarket B sells blivets for £12 each.
Supermarket C sells blivets for £19 each.

 
We can apply rules to information to make decisions or deductions. This is knowledge.

Here is an example of knowledge :

It is better to  order blivets from Supermarket B as they are cheapest at £12 each.