The term 'Communion, for instance' can be represented by the crossword solution 'RITE'. A RITE is a religious ceremony or set of rituals that are performed in order to mark an important event or milestone. In Christianity, Communion is a RITE that is typically celebrated during Mass, where bread and wine are shared as symbols of Jesus' body and blood. This ritual is meant to represent the unity of the Church and the sharing of the Eucharist.