Media Phrases:

Metonym: Use it for the dress she wears in the scene analyse.

Linear narrative: Use is to overall describe Sin City's narrative.
Low angle-shot: Use it for the opening scene.

Lowbrow: Use it for the present violence.

Action code: Possibly use it to link with the violence, shows it to be action genre.

Alternative: Describe how Gail isn't typical femme fatale.

Femeininsim: Possibly link to Gail's personilty.