That is quote a question. "Would" is used in many situtaions and is quite complicated. I will copy a list of uses from a dictionary. After you read those uses, you can ask some questions.
aux.v., Past tense of will2.
Used to express desire or intent: She said she would meet us at the corner.
Used to express a wish: Would that we had gone with you!
Used after a statement of desire, request, or advice: I wish you would stay.
Used to make a polite request: Would you go with me?
Used in the main clause of a conditional statement to express a possibility or likelihood: If I had enough money, I would buy a car. We would have gone to the beach, had the weather been good. See Usage Note at if.
Used to express presumption or expectation: That would be Steve at the door.
Used to indicate uncertainty: He would seem to be getting better.
Used to express repeated or habitual action in the past: Every morning we would walk in the garden.