This workflow is not a functioning workflow but instead a conceptual workflow designed to show how each of the GDPR example workflows can be used in a production workflow. This workflow dows show an interesting technique for for explaining workflows, processes and concepts to individuals who do not know KNIME. The majority of metanodes are "empty" and simply connect the input port to the output ports. The metanodes are documented to show a major step or concept. By starting with a blank table create node in the first metanode, you can actually "execute" the workflow.
This is a companion discussion topic for the original entry at https://kni.me/w/W40B0UQSFqt047kg