As defined by common fan usage, is simply any animation that is made in Japan for a Japanese audience. In Japan the word simply means any animation made anywhere in the world.
The Japanese equivalent of comics with a unique style and following, in reality it is a much more complex subject. Manga can include almost every subject imaginable from funny stories to serious literature. Technical manuals and even legal case histories have been released in manga format
** Genre and terms in anime & manga **
A work typically depicting fighting, violence, chaos, and fast paced motion.
Contains content that is suitable only for adults. Titles in this category may include prolonged scenes of intense violence and/or graphic sexual content and nudity.
If a character in the story goes on a trip or along that line, your best bet is that it is an adventure manga. Otherwise, it’s up to your personal prejudice on this case.
Usually refers to the bishounen, or “beautiful boys” in girls’ manga
Manga characters who are experiencing embarassment, anger, or other strong emotions and revert to chubby, childlike versions of their normal selves
Fan based art inspired by official anime or manga.