The document discusses several aspects of the celebration of the Eucharist according to decrees made by the council. It emphasizes the importance of participation of the people in the mass along with the priests, making necessary changes to rites while preserving substance, using the vernacular language for parts of the mass, and ensuring homilies are delivered on Sundays to communicate the scripture message to the people. It also lists intentions for the prayer of the faithful including for the church, civil authorities, mankind, and those in need.