Digimon, short for Digital Monsters, is a multimedia franchise that encompasses anime, manga, toys, video games, films, and more. The series revolves around creatures called Digimon, which are typically depicted as digital life forms living in a 'Digital World,' a parallel universe that originates from Earth's various communication networks. The franchise explores themes of friendship, bravery, and the battle between good and evil, with human characters partnering with Digimon to overcome various challenges.