Yes. There is the back story of origin which tells how things started, the development back story which shows how things changed over time, and the motivation back story which reveals why characters act the way they do.
The types are: personal back story of characters (their memories, experiences), historical back story of the story's world (wars, important events in the past), and back story related to the main conflict (previous attempts to solve the problem, origin of the conflict).
Sure. There's tragic love like in 'Titanic'. There's also comical love, where the couple's relationship is full of funny situations. And the epic love, which often involves great deeds and sacrifices.
Sure. There are victims, killers, and those who try to stop the killers.
Sure. There are supernatural horror, psychological horror, slasher horror, gothic horror, body horror, survival horror, monster - based horror, apocalyptic horror and haunted - object horror.
Some types are supernatural horror, real - life - inspired horror, and horror involving some sort of malevolent force.
The main types are cyberpunk (high - tech dystopias), steampunk (Victorian - inspired tech), and solarpunk (sustainable futures).
Sure. There are military, biographical, period - piece, and alternative history types of historical fiction.
Sure. There are detective, police procedural, noir, cozy mystery, legal thriller, historical crime fiction, thriller, and spy novel types.
Sure. There are dystopias about over - surveillance, where the government or some powerful entity watches every move. Also, those about resource depletion, like water or energy running out. And ones about a loss of individuality due to some form of mind control.
Sure. There are novels, short stories, and novellas in literary fiction.
There are happy endings where things turn out great. Then sad ones that are, well, sad. And also cliffhanger endings that leave you hanging.