Here, the writers rid themselves of extra nouns and articles with commas and dashes.

The tension ramps up around several instances of “BOOM. BOOM. BOOM.” “BOOM” is an onomatopoeia that invokes a feeling of doom.

Scripts (and especially resultant movies) become engaging when the writer leaves visual clues rather than spelling things out overtly. The vibrating glasses, the dangling security pass, the missing goat, the disembodied leg… As our brains try to piece together the sequence of what we’re witnessing, our heart rate goes up. With each new clue and revelation, we wait for something scary to pop out at us.