What term refers to a destructive or gruesome theme?

The term "macabre" specifically refers to themes that involve the grim, grotesque, or morbid aspects of death and decay. It originates from a French word that is associated with the representation of death in art and literature, often emphasizing horror and the unsettling nature of human mortality. Works described as macabre typically evoke strong emotional reactions, forcing individuals to confront the darker sides of existence.

In literature, film, and art, macabre elements might include depictions of violence, death, or the uncanny, inviting a deep exploration of fear and the inevitability of death. This theme is often used effectively to create a haunting atmosphere that captivates the audience's attention.

The other terms provided do not evoke the same sense of darkness or destruction. "Beautiful" suggests aesthetic pleasure, "mundane" refers to the ordinary or dull aspects of life, and "exquisite" denotes something of outstanding quality or beauty, lacking the grim connotations of macabre. Thus, the apt characterization of a destructive or gruesome theme is captured accurately by the term macabre.