requirements traceability - dependency tracking/tracing graph, upwards (because of) and downwards (therefore). It is a very tedious process, Very few companies

requirements traceability - dependency tracking/tracing graph, upwards (because of) and downwards (therefore). It is a very tedious process, Very few companies do it. But once the graph is built, one can poke questions on it, like what would/might be affected if node X changes. And any assumptions also counts as requirement of sorts https://en.wikipedia.org/wiki/Requirements_traceability https://en.wikipedia.org/wiki/Requirements_traceability