Its like a slight movement to left and right but no response to wheels. After that point there will be exact response to the wheels
It must be present in manual steering , but in power steering it must not be there.
In Eps steering , there motor function will cut of at 50kmph , so at that speed you will have some play , even in hydraulic power steering , but not as much in normal.
Over play must be reduced. Play do help in driving. Esp at high speeds