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Prophecy is not just foretelling the future. A prophet was one who "spoke for" another, a spokesman; and prophecy was the message the prophet spoke on behalf of God. That message did not always contain a prediction about the future. So, strictly speaking, prophecy in the Biblical sense is a message from God.
Here is a link to information which will assist you with your question:
Bible Prophecy: www.thisisyourbible.com/library/show/154
I hope you have found this helpful.