Oftentimes, shooting drafts or drafts written by the director (like this one) might include specific camera directions, but this is not necessary in your early drafts.

Like the Alien script, each new sentence is a new quick action or image for the reader to focus on.

Certain words are underlined to move the reader through the paragraphs, but notice that the underlined words are arbitrary — because this sequence becomes something we see over and over again and it’s arbitrary for the character.