Conventions of a Horror Movie or Horror Iconography

Here I have made a list of things and feelings that we associate with Horror Films that scare us:
Blood
Suspense
Screaming
Death
A Weapon - An Axe
A Fear - Spiders
Contrapuntal Music - Disjointed Music
Usually at night time
Secluded area
Creepy House
Pain
Bad Weather
Psycopath
Horrible noises - screaching
Small confined spaces
Bent trees - no leaves
Someones always alone
Massacre
Black cats
Protagonist
Antagonist
Black magic
Ghost's
Chase sequences
Swamps
Faulty lights
A woman always dies first ( we see this clearly in Scream, when the blond girl is murdered at the beginning)
Inept police
Scary children
Dolls
Clowns
Delapadated buildings
Cars breaking down

All of these above are signs and signifiers of a horror film genre, a film that incorporates most if not all of these is "Nightmare on Elm Street"