1) The document discusses how the filmmakers addressed their target audience in their horror film opening. They conducted interviews to understand what types of horror their audience prefers and incorporated psychological and low-gore elements.
2) Careful casting was done to find a believable father-daughter duo to portray the main characters. Authenticity of their relationship was prioritized over attractiveness.
3) The plot starts at the end and flashes back chronologically to build mystery and intrigue for the audience. Aspects of Barthes' narrative codes were incorporated including action, enigma, and symbolism.