Analogous terminology for Stock and Flow are the Garden and Stream metaphors explored in Mike Caulfield's _The Garden and The Stream: A Technopastoral_. https://hapgood.us/2015/10/17/the-garden-and-the-stream-a-te...
In this piece, he references the Garden and Stream concepts, while also adding in his own, Campfires. https://tomcritchlow.com/2018/10/10/of-gardens-and-wikis/
Then in this follow on piece, he touches on Stock and Flow referencing the original article. https://tomcritchlow.com/2019/02/17/building-digital-garden/