Looks like no one added any tags here yet for you.
Discharge
The flow of water (Q=volume/time)
Flux
The rate at which water moves between bodies of water
Concentration
mixture of water
Steady flow
constant rate, Q doesn’t change over time
Unsteady flow
Q is not constant
Uniform flow
Q doesn’t vary thoughout
Non-Uniform flow
Q varies throughout
Channel Flow
the movement of water in a channel
Sheet flow
Water flowing like a thin layer; not contained within a channel
Groundwater flow
The movement of water underground below the watertable
Flowpath
Pathway that water takes