Complex sentence: The Internet Movie Firearms Database (IMFDb) has been described as "Wikipedia for guns in movies" and is an online database of firearms used or featured in movies, television shows, video games, and anime.
Split into simpler sentences: The Internet Movie Firearms Database (IMFDb) has been described as "Wikipedia for guns in movies". The IMDFDb is an online database of firearms used or featured in movies, television shows, video games, and anime.