When the early Church celebrated the Eucharist, it certainly considered itself to be doing more than preaching and singing.

For in the blessed Eucharist is contained the whole spiritual good of the Church, namely Christ himself ... apostles in the course of the Passover meal, Jesus gave the Jewish Passover its ...

When a minister of the Church brings Communion, the sick or elderly person shares in the eucharistic meal of the community. This holy Communion manifests the support and concern of the community ...