What does the Bible & The Holy Spirit reveal about Mary? Orthodox Christian view of The Theotokos

Is Mary nothing special but just a preordained instrument with no say in how her body was used?
How did Jesus reveal Himself in the Old Testament?
What is The Ark of the Covenant
How does the Bible describe The Holy of Holies
How is Mary the Temple of God?
What has the Holy Spirit taught the Church through the apostles?
Was Mary the God-bearer or the bearer of a lower God?
Is Mary the connection between heaven and earth?

Also covered: Are Icons considered as graven images or holy images? Did Constantine introduce paganism into the Christian Church?