That is just a gigantic failure to provide exactly the information that is needed for such diagrams to helpful.
Basically you're leaving it vague because you can't be arsed to actually work out what it means, and every reader is invited to come up with their own individual wrong assumptions and misunderstandings.
Basically you're leaving it vague because you can't be arsed to actually work out what it means, and every reader is invited to come up with their own individual wrong assumptions and misunderstandings.