想像と空想
想像は現実に基づきながら未来や可能性を描くことですが、空想は現実の制約にとらわれず、自分の中で自由に物事を思い描くことです。
Imagination and Fantasy: What’s the Difference? (Similar yet Different #124)
Imagination is about picturing the future and possibilities based on reality, while fantasy is about picturing things freely without being bound by the constraints of reality.