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Something from before comes back — a person, a place, a way you used to be. The Six is sweet and a little dangerous, because memory is a lovely place to visit and a poor place to move into.
Reversed
Reversed, you're either stuck in the past or cut off from it entirely. Both are worth examining, starting with whether the good old days were quite as good as they've become.
If this is your card this month
What from your past deserves a place in your present?
A card is a prompt rather than a forecast. It doesn't know what will happen, and the useful part is what you do with the question it hands you. We make that case at more length in not a prediction, a mirror.