In anime and manga, the term "LGBT themes" includes lesbian, gay, bisexual and transgender material. Outside Japan, anime generally refers to a specific Japanese-style of animation, but the word anime is used by the Japanese themselves to broadly describe all forms of animated media there. According to Harry Benshoff and Sean Griffin, the fluid state of animation allows flexibility of animated characters to perform multiple roles at once. Manga genres that focus on same-sex intimacy and relationships resulted from fan work that depicted relationships between two same-sex characters. This includes characters who express their gender and sexuality outside of hetero-normative boundaries. There are also multiple sub genres that target specific consumers and themes: yaoi, yuri, shoujo-ai, shone