Shounen: means young male, anime for men as an anima, can contain violence-action-sexuality. Shouju: It means young girl, it is an anima for girls as anime type, it can contain subjects based on sensuality and relationships.
Bishounen: Feminine men; delicate drawing, feminine voice. Ecchi: Briefly, it is perverse, the anime type is the anime with the erotic elements. Mecha: Robots, metal giant instruments are the anime. Henta: We can say the bigger perverse, the anime type of sexual sexuality, adult made for adults. OST: The original sound track, or anime is commercially available or any existing piece is adapted to the animate.