The Mass

Introductory rites: an entrance hymn, the sign of the cross, an act of penitence, usually the Gloria, and an opening prayer.

Liturgy of the Word: a reading from the Old Testament, a psalm sung or said together, a New Testament reading, the Gospel (everyone stands), a homily, the Creed, and prayers of intercession.

Liturgy of the Eucharist: bread and wine are brought forward, the Eucharistic Prayer is prayed, everyone prays the Our Father, a sign of peace is exchanged, and Communion is distributed.

Concluding rites: a blessing and dismissal. That is the whole thing.

Sit anywhere; the back is fine and no one will mind. You can stand and sit when others do, or stay seated the whole time.

You are not expected to know the responses. Many people present do not know all of them either.

If you are not Catholic, or are Catholic but not receiving Communion, you may stay in your seat. If you would prefer not to be left alone in the pew, you may join the line with your arms crossed over your chest to receive a blessing instead: practice on this varies, and either choice is respectful.

There is no collection you are obliged to contribute to. Passing the basket along is completely normal.

The repetition is deliberate. A fixed structure means the liturgy does not depend on how eloquent the priest is, or on how you happen to feel that day. On days when you can bring nothing, the Mass still carries you.

For people who have been in high-pressure religious environments, this can be a relief: nothing is asked of you out loud, and no one will single you out.

Standing is usually for the Gospel, the opening and closing, and periods of prayer that call for attentiveness. Sitting is for readings, the homily, and the preparation of the gifts. Kneeling, where pews allow it, is usually for the Eucharistic Prayer.

None of this is a test. If standing or kneeling is physically difficult, staying seated the whole time is completely acceptable, and no one nearby will think anything of it.

The Liturgy of the Word is about listening: the readings are chosen so that, over a three-year Sunday cycle, most of the Bible's major passages are proclaimed aloud.

The Liturgy of the Eucharist is about offering and receiving: ordinary bread and wine are brought forward, and Catholics believe they become the body and blood of Christ, given back to the assembly in Communion. That belief is explored on its own page.

The sign of peace is a brief, simple gesture of goodwill to those nearby, usually a handshake or a nod. You are never required to touch anyone you would rather not touch; a nod is completely sufficient.