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English Wikipedia has an article on:

downstream

Wikipedia

From down- + stream.

• IPA^(key): /ˌdaʊnˈstɹiːm/

• Audio (Southern England):

  (file)

• Rhymes: -iːm

downstream (comparative further downstream or farther downstream, superlative furthest downstream or farthest downstream)

2. Toward the lower part of a stream; with the current (of a river, brook, or other flow of fluid).
4. (figurative) Occurring later than something else; (also, usually, especially) influenced by something else; being a consequence of something else.

   Input validation is downstream of input entry in the runtime process.

   • 2009, Andrew Teufel, Aaron Azelton, Fisher Investments on Energy, page 3:

     The downstream segment (also known as refining and marketing, or R&M) focuses on the final stage of the integrated process.

   • 2018, David Brody, Scott Lamb, The Faith of Donald J. Trump: A Spiritual Biography, →ISBN:

     We're a couple of conservative Christians who believe that politics is downstream from culture.

   2. (computer networking) In the direction from the server to the client.
   4. (biology) Towards the 3′ end of a DNA molecule.

• upstream

downstream (comparative further downstream or farther downstream, superlative furthest downstream or farthest downstream)

1. Following the path of a river or stream.

   We spent the day paddling downstream in our canoes.

   She lives downstream from the dam.

• upstream

downstream (third-person singular simple present downstreams, present participle downstreaming, simple past and past participle downstreamed)

1. To stream downward.
2. (open-source software, transitive) Of the original developers: to make available (a version or patch) to downstream developers and users of the software.