This is why the C4 Model insists on using verbs to label interactions. (e.g. “reads/writes data from”, “sends reports to”, etc).
Most of the article's diagrams are actually terrible in this regard.
Most of the article's diagrams are actually terrible in this regard.
It works because (node, edge, node) triplets then form propositions, the fundamental units of knowledge
Come to think of it, expertise researchers still do this today to make rough sketches of domains of study. The result is called a concept map.
Unfortunately, the exception is in the "functional block diagram" sections in datasheets, where a more loose format is used.