Macabre- Disturbing, dark work, such as blood, guts gore ect.
Comedic- Tries to be finny whilst "scary" or dark. Such as Scary Movie
Remake- Has been remade to a later date- Carrie 1976 is the original to 2013 Carrie
Anthology- A bunch of horror stories that are not longer enough to make a actual film. AKA Darknet.
Classic Horror- one from the golden years such as Frankenstein.
Twilight- Movie Within a movie.
Erotica- Sexural, not porn per sae.
B Movie- Low budget
3D Film- A three dimentional, you need glasses to watch. aka Piranha 3DD
Banned- such as refusing to show it in a particular country or cinema aka orphan killer in banned in Germany.
Spin off- Annabelle was a spin off of The Conjuring.