The most profound title of Mary is "Mother of God".
That is not just a honorific title but a reality because she bore the Jesus in her womb, and Jesus is God.
Similarly, the title "Mother of the Church" is not just another honorific title for Mary.
On the Cross, Jesus turned to Mary and told her that the beloved disciple is her son.
And then Jesus turned to the beloved disciple and told him that Mary is his mother.
So on the Cross, Jesus decreed that Mary is to be mother of the Church, which is represented by the beloved disciple.
Mary carried out that role faithful as she joined the disciples in continuous prayer and serving the Church as a mother would take care of her child.
As Mother of the Church, Mary is also in continuous prayer with us and taking care of us as our Mother.
May we be always with her in prayer and be with her to serve God and each other.