starting point in space or time or order (We flew from Gaborone to London., We work from 9 to 5 o'clock., Count from one to ten)
Get water from the tap
source or origin (Get water from the tap)
separation or release (Take the gun from him . She was freed from prison)
Can you tell margarine from butter?
difference (Can you tell margarine from butter?)
I suffer from headaches
cause (I suffer from headaches)