Flow (3)
'flow' is the definition.
(I know that run is a type of flow)
This is all the clue.
(Other definitions for run that I've seen before include "On the . . . - fleeing from pursuit" , "Dart" , "Manage; career" , "Race; manage" , "Move fast with the hens?" .)
'flow' is the definition.
(I know that stream is a type of flow)
This is the entire clue.
(Other definitions for stream that I've seen before include "comprising a load of drips?" , "'Brook, runnel (6)'" , "Running liquid" , "Master of a tributary" , "Current - file" .)
(Other definitions for trickle that I've seen before include "A small thin stream of liquid" , "Run in drops" , "A thin slow stream of water" , "Flow in thin drops" , "A series of drops" .)
'flow' is the definition.
(I know that current is a type of flow)
This is all the clue.
(Other definitions for current that I've seen before include "Up-to-date" , "Contemporary" , "Present - tide" , "Stream - in the news" , "Flow of air or water" .)