He often uses the analogy of a bomb. He says that if a bomb explodes out of nowhere the audience is only surprised for ten seconds. he says you have to show the bomb to create suspense. He says you show the bomb under a table and you show people talking. Hitchcock says this gives the audience suspense because they are so focused on the bomb explosion. You have to show the audience what will happen to the characters. Here's how you can create suspense. He says it's important to keep things simple for the audience. He says they should know who is what and what is what. You can use distinctive outfits to distinguish each character. He also says it's important to let people know where everything is. For example, you should let the public know where the documents are hidden. Having things clear makes the audience more engaged and keeps them focused on