Communion in prayer is both a consequence of and a requirement for the communion bestowed by the sacraments of baptism and matrimony.

He thanked members of the Curia, adding that "even though our external visible communion is coming to an end, there remains a spiritual proximity, there remains a profound communion in prayer."

Union of Prayer was a previous term for some Roman Catholic lay ecclesial movements.

Besides this union of prayers and good works of the associates and the special instructions at the public meetings help powerfully to prepare for a 'happy death '.

She established a union of prayer among pious servant girls, the members of which were known as the "Réparatrices du Sacré-Coeur de Jésus-Christ".

He wrote a book of spiritual meditations for priests entitled Méditationes sacerdotales and established a Union of Prayer for Deceased Priests which was canonically erected into a confraternity in 1861.