What is " Sanghiya "  , " Sarvanaam "  , " Visheshan " , " Kriya "?

i)Sanghiya ushe kahate h jo naam se bodh ho

ii)sanghiya ke badle jo sabdh aaye ushe hum sarvanaam kahate hai

iii)sanghiya or sarvanaam kin visheta batlaye ushe hum visheshan kahte hai

iv)jo kaam ka bodh karvaye ushe hum kriya kahate hai