1) The target audience for the film is males and females aged 15-24, so the trailer features action-packed music, shots of blood and violence, and dark lighting to appeal to those who enjoy thriller genres. 2) Mysterious and dangerous elements like passports and guns are included to draw in the male audience and reinforce the danger in the film. 3) Close-up shots of the handsome and heroic main protagonist are used to attract the female audience. 4) A humorous shot is included to show the film will be light and funny, not dry and heavy, helping audiences to enjoy the film more.