For non-coders, this video by Steve Cutts shows excellently how the concept works: https://www.youtube.com/watch?v=jid2A7ldc_8 https://www.youtube.com/watch?v=j

For non-coders, this video by Steve Cutts shows excellently how the concept works: https://www.youtube.com/watch?v=jid2A7ldc_8 https://www.youtube.com/watch?v=jid2A7ldc_8