👉 "Deja" is a term used in various fields, including music and literature. It refers to something that has not been produced or performed before. In music, "deja vu" is a phrase often used to describe the feeling of being back in an old situation or experience, such as a childhood memory or a dream. The word comes from the French word "dejá," which means "back." In literature, "deja" can refer to something that has not been written