Mass is the name given to church services in the Catholic religion. The first part of a Mass consists of the liturgy of the word. This part of Mass includes reading from the scripture and delivering the sermon which is also called the homily.. The other part of Mass that comes second consists of the offertory, the eucharistic prayer, and the communiion rite.
The communion rite is the ritualin which the participants in the Mass ake wine and crackers that represent the blood and body of Christ. This ritual is actually performed in slightly varied ways in a lot protestant churches as well.