A digon is a polygon with two sides (edges) and two vertices, a monogon is a polygon with one edge and one vertex.
Digimon, short for “Digital Monsters” (デジタルモンスター Dejitaru Monsutā ), is a Japanese media franchise encompassing virtual pet toys, anime, manga, video games, films and a trading card game. The franchise focuses on Digimon creatures, which are monsters living in a “Digital World”, a parallel universe that originated from Earth’s various communication networks.
Mono = one
Rail = rail
But she’ll always be the Queen Of Our Hearts