I should have mentioned that I have a degree in computer science, it might have made it easier for you as you woudn't have to come up with an laymans analogy.
So its kinda like how a fax machine works then?
For those that don't know, fax machines don't transmit whether each pixel (not the exact right term I don't think but close enough) is black or white but it transmits how many pixels in succesion are the same colour. so if you have 5 black pixels instead of transmitting 11111 (where 1 signifies a black pixel) you have a code that says "black 5"
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One day we will die and our ashes will fly from the aeroplane over the sea,
but for now we are young let us lay in the sun and count every beautiful thing we can see
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