Lennie's visions mean that Lennie recognizes her guilt. Furthermore, these visions foreshadow Lennie's death.
Explanation:
Lennie's visions show us that he has a certain awareness of his actions and recognizes that they are wrong and destructive. These visions exist to make Lennie feel guilt and remorse for her mistakes, as well as fear of punishment that he may receive for his actions. Through the dream, Lennie knows that his plans are lost and that he will not be able to move on with his own life.
