The document provides an analysis of the trailer for the film The Signal. It discusses how the trailer builds mystery through voiceovers and montage shots. It notes the contrasting lighting and shots used, from bright white rooms to dim red corridors. The trailer shows the characters escaping and the shots becoming more chaotic. It effectively introduces the story in a short time using conventions like fade to black transitions but also more innovative techniques. The analysis praises the trailer for carefully considering the film's strengths and differences from conventions to appeal to a wide audience.