The film does not feature identifiable LGBTQ+ characters or themes. Its narrative centers on a man's surreal journey through illness and memory, exploring universal aspects of the human experience without engaging with queer identity. The story's focus remains on the protagonist's internal world and his relationships with immediate family members.

The film "It's Such a Beautiful Day" does not feature identifiable transsexual characters or themes. The narrative focuses on Bill's subjective experience with a mysterious illness and memory loss, exploring themes of life, death, and the human condition. The story does not include any plot points or character arcs related to transgender identity, resulting in no depiction within the film's scope.

The movie does not contain any action or adventure elements.

The film "It's Such a Beautiful Day" is an original animated work by Don Hertzfeldt. It does not adapt any pre-existing source material with established characters or historical figures. All characters are original creations for this specific film, meaning no gender swaps occur.

It's Such a Beautiful Day is an original animated film featuring abstract characters. There are no pre-existing source materials or established character races that could be altered, therefore no race swaps occur.