Following the path of a river or stream
To stream downward.
Further along in the flow of current, in relation to a river, stream, bloodstream, or other flow of fluid.
In the direction from the server to the client.
Towards the 3′ end of a DNA molecule.
Occurring later than something else; (also, usually, especially) influenced by something else; being a consequence of something else.
occurring previously
previously; before now; sooner