A picture is worth 10K words - but only those to describe the picture. Hardly any sets of 10K words can be adequately described with pictures. Alan Perlis Fools ignore complexity. Pragmatists suffer it. Some can avoid it.
Geniuses remove it.
It goes against the grain of modern education to teach children to program. Alan Perlis Contents 6.1. Data Normalisation 6.3. Since the applications own data, should applications change, so must the data. Due to the ownership of data, the same data may have to be duplicated in many files.