the Gloria returns, and the Alleluia acclamation, the statues and crucifix have been uncovered, holy water has been newly blessed, the Paschal candle is in place, there is a Sequence, otherwise regular Sunday Mass with of course the Easter readings. the big event is the Easter Vigil, with lighitng the Easter fire, anywhere from 5 to 9 readings, baptisms, confirmations, welcoming the new Catholics, the high point of the liturgical year.