Imagination refers to the ability to create mental images, ideas, or concepts that are not present in reality. It involves the power of the mind to form new and original thoughts, visualize scenarios, and think beyond what is immediately observable or experienced. Imagination allows individuals to explore possibilities, solve problems, and engage in creative thinking. It is a fundamental aspect of human cognition and plays a crucial role in various aspects of life, such as art, literature, innovation, and problem-solving.