As one of the most inspirational movies of all time, the meaning of Field of Dreams has many different interpretations, but Kevin Costners film boils down to a few key themes. The 1989 movie follows Ray Kinsella (Costner and his family as he builds a baseball diamond on his Iowa cornfield after hearing voices. The field then draws the ghosts of legendary baseball players who missed out on their dreams, allowing Ray to look further into his regrets. A lauded baseball movie, Field of Dreams is about lost dreams, regrets, and sentimentality about the past regarding family and one’s passions.
https://screenrant.com/field-dreams-kevin-costner-ending-meaning-baseball-american-dream/