This meaning refers to something that appears to be real but is not. It often conveys the sense of a ghostly presence or an image that is perceived as part of the imagination.

This meaning indicates an image or sight that is often seen in one's mind or dreams, representing one's hopes, aspirations, or fears.

This meaning refers to a false impression or deceptive appearance—something that is not as it seems. It can relate to magic or tricks, as well as to emotional or cognitive misconceptions.