Mass (liturgy)

===Communion rite===
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[[File:The British Army in North-west Europe 1944-45 B10582.jpg|thumb|left|A priest administers Communion during Mass in a Dutch field on the front line in October 1944.]]

All together recite or sing the "[[Lord's Prayer]]" ("Pater Noster" or "Our Father"). The priest introduces it with a short phrase and follows it up with a prayer called the [[Embolism (liturgy)|embolism]], after which the people respond with another doxology. The [[sign of peace]] is exchanged and then the "[[Lamb of God (liturgy)|Lamb of God]]" ("Agnus Dei" in Latin) litany is sung or recited while the priest breaks the host and places a piece in the main chalice; this is known as the rite of fraction and commingling.

[[File:Joan Ferrer i Miró- Sortida de missa- 169.jpg|thumb|upright=0.8|''Out of Mass'' (1893), oil on canvas by Joan Ferrer Miró]]

The priest then displays the consecrated elements to the congregation, saying: "Behold the Lamb of God, behold him who takes away the sins of the world. Blessed are those called to the supper of the Lamb," to which all respond: "Lord, I am not worthy that you should enter under my roof, but only say the word and my soul shall be healed." Then Communion is given, often with lay ministers assisting with the consecrated wine.<ref name="GIRM, 160">GIRM, paragraph 160</ref> According to Catholic teaching, one should be in the state of grace, without mortal sin, to receive Communion.<ref>{{cite book |title=Compendium of the Catechism of the Catholic Church # 291 |url=https://www.vatican.va/archive/compendium_ccc/documents/archive_2005_compendium-ccc_en.html |access-date=20 August 2019}}</ref> Singing by all the faithful during the Communion procession is encouraged "to express the communicants' union in spirit"<ref name="GIRM, 86">GIRM, paragraph 86</ref> from the bread that makes them one. A silent time for reflection follows, and then the variable concluding prayer of the Mass.