Q. 1. I heard the saying that there are seven keys to Heaven. Can you tell me what is meant by that?

A. 1. The seven keys to Heaven are "actions" and "spiritual exercises" that benefit the soul so it can obtain salvation by the grace of God.

Those "actions" and "spiritual exercises" are:

1.1 Attend daily Holy Mass.
1.2 Go to Confession on a regular basis.
1.3 Visit the Blessed Sacrament often.
1.4 Wear the Brown Scapular.
1.5 Wear the Miraculous Medal.
1.6.a Pray the Rosary every day,
1.6.b Include the "Hail Holy Queen",
1.6.c Include the "Marian Litany."
1.7 Do the Way of the Cross.
1.8 Make a Communion of Reparation every 1st Fridays and 1 st Saturdays.
1.9 Feed the hungry.
1.10 Shelter the homeless.
1.11 Clothe the naked.
1.12 Visit the sick.
1.13 Visit the prisoners.
1.14 Bury the dead.
1.15 Give alms to the poor.
1.16 Support the Church.
1.17 Help the widow/single parent.
1.18 Visit the lonely seniors.
1.19 Promote the Catholic faith.
1.20 Defend the Catholic faith.