the.com/upstream
where the problem is born, not where it finally screams for help.
means toward the source of a process rather than its downstream effects — literally against the current, figuratively fixing causes before symptoms.
from literally means against a river's flow; business and engineering hijacked it in the 20th century to mean earlier in a pipeline, sequence, or supply chain — closer to the source, further from the mess.
software usethe original project code gets contributed back to
public healthfamous parable of pulling drowning kids from a river
opposite directiondownstream means effects, consumption, and consequences