Is there any kind of key or description of what "kind" of diagram this is and therefore how to read it? e.g. what are the squiggles? Poddster (talk) 17:22, 14 December 2018 (UTC)
Is there any kind of key or description of what "kind" of diagram this is and therefore how to read it? e.g. what are the squiggles? Poddster (talk) 17:22, 14 December 2018 (UTC)Reply
