1. Definition difference: Elegy refers to a kind of sad, mourning or mourning song or poem, which is used to express grief for the dead or sad events. Elegy refers to a kind of song or poem used to bid farewell to the deceased, which can express grief for the deceased and respect for life.
2. Use difference: Elegy is an art form, which can express sadness and mourning on various occasions. Elegy is mainly used in funerals or memorial ceremonies as a form of farewell to the dead.