The document provides an overview of the parts and structure of the Catholic Mass, describing the liturgical elements in each section: Liturgy of the Word, Liturgy of the Eucharist, and Concluding Rites. It compares the basic shape of the Mass to a communal meal, with gathering, storytelling, sharing food and drink, and sending forth. Key parts include readings from scripture, homily, creed, prayers, preparation of gifts, Eucharistic prayer, and communion rite.