Talking to whom?

At the Mass, there are many things said or read throughout the Mass, but around 70% of everything that is said is not being said to us in the pews. So to whom are these words being addressed?

Roughly 60% of the Mass is prayers spoken to God the Father. He is the primary addressee of the Mass; the principal reason for why we have gathered is to offer worship to Him. We even acknowledge that when the priest says, "Pray, brethren, that my sacrifice and yours may be acceptable to God the almighty Father", to which we respond, "May the Lord accept the sacrifice at your hands, for the praise and glory of His name, for our good and the good of all His holy Church".

Only around 5% of the prayers are addressed to the Son, primarily being the Kyrie, the Agnus Dei, and a couple of other times Jesus is directly invoked. In a likewise small amount, about 5% of the Mass prayers are addressed to the Holy Spirit or other items that have no direct addressee.

The remaining 30% is addressed to the congregation. This consists of greetings, invitations to prayer, instruction, and introductions. The readings at Mass fall into a unique category where they are for us, but not directed to us in the manner of the other things addressed to us are. In the readings, God himself (not the lector per se) is speaking to us through Holy Scripture. However, by the lector reading the Sacred Scripture in the Mass, we are also offering the Word of God that He has given us back to Him in worship and thanksgiving. At the end of each reading, we say "Thanks be to God," and after the Gospel, "Praise to you, Lord Jesus Christ". We are acknowledging the immense gift God has given us in His Word. The Responsorial Psalm makes this abundantly clear, where we sing the Psalms of Sacred Scripture back to God in praise of Him.

Through these parts and prayers of the Mass, we are engaged not just in a one-way address to God, but instead in a dialogue with God. We start each Mass by acknowledging our need for the Father and His great glory and love; He then provides for His children by giving us His Word in the Sacred Scripture, and even more so when the Word becomes flesh upon the Altar, and we receive Him in Holy Communion, and we respond by praising Him and offering our thanksgiving.