Palm Sunday Mass marks the beginning of Holy Week in the Catholic Church, commemorating Jesus Christ's triumphant entry into Jerusalem, where he was welcomed by the crowds with palm branches. The Mass begins with the blessing of palms, which are distributed to the congregation. The procession with the palms is a reenactment of Jesus' entry into Jerusalem and is accompanied by the singing of hymns. During the Mass, the Gospel reading recounts the events of Jesus' entry into Jerusalem, and the homily focuses on the significance of the event. The Mass culminates with the Eucharistic celebration, where the faithful receive the body and blood of Christ. Palm Sunday Mass is a joyous celebration that sets the tone for Holy Week, reminding Catholics of the importance of Jesus' sacrifice and his ultimate triumph over sin and death.