"Sarah" - Hebrew. "Sarrai" i.e. "Struggling," also "Noble" "Mistress," "Princess," "Sovereign."   

"Sarah" i.e. "Struggling" i.e. "Wife", the "Assembly" of the Righteous, the "Church", confronting its delusions, the sinful desires of the flesh, fighting against the manifestations and expressions of sin, violations of God's Commandments.

"Sarah" - "Noble," i.e., respected by all generations of people of good will, "the Church," "giving birth," educating, leading people to righteous living, according to God's Commandments.

"Sarah" is "Mistress," "Sovereign," "Church," i.e., the figurative Assembly of the Righteous, owning the future history of the true Faith of the nations.

"Sarah" is a prototype of the "Wife", "Woman", i.e. the spiritual unity of people, the "Assembly" of the fulfillers of the Will of God of a certain historical period.