At the bottom of each (online) label you will find a small button labeled "code". If you click on it you will be shown the "JSON code" of the label, which is essentially a very minimal description of the content of the label. 
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‌Having that code there are a number of advantages.

Firstly, it makes it easy to backup the label. As long as you have that code, you can import it into our online tool and recreate a full label from it.

Secondly, the code is also makes it easier for computers to read the label. It makes the label 'machine readable', which can be useful for a large number of reasons. For example, it makes it easier for third parties to compare the labels between websites.

Without that code there, labels could still be compared, but it would be a lot more hassle to 'get the data out'.

Standardisation

We are proposing this JSON code as an unofficial open 'standard', which could be used to exchange privacy labels between multiple pieces of software. For example, we hope that in the future multiple pieces of software could generate Privacy Label JSON code. If they all follow the same standard, then the means of displaying those labels (such as using our javascript library) can also be standardised. This should limit the "duplication of effort", as we can all connect our various pieces of software together.
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‌To that end we've created documentation that describes what you are and aren't allowed to put in the JSON code.