Word bank

Macguffin; 

1. a plot element that catches the viewers' attention or drives the plot 

shock; 

1. A sudden upsetting or surprising event or experience.

Iconography;

1.  symbolic representations, which often has a conventional meaning attached to an image or object.

suspense;

A state or feeling of excited or anxious uncertainty about what may happen. A quality in a work of fiction that arouses excited expectation or uncertainty about what may happen