What is an illusion in English?

An illusion in English refers to a deceptive appearance or misleading perception of reality. It can manifest in various forms, such as visual tricks that create misleading images or concepts that misrepresent the truth. Illusions often play on human senses and cognitive biases, leading individuals to misinterpret what they see or experience. In literature and art, illusions can be used to convey deeper meanings or evoke emotional responses.