These are subtle ways in which the writer can help to convey the weight of the story. Choosing where to layer in what will be resonant information, is part of finding the structure of your script. Reproduction without permission is strictly prohibited. The style and expression of a screenplay is often determined by the director's vision for it. But a screenplay can also create a sense of that style through its use of scene description.
Style can be the specific images themselves and the way they link together.
Or it could be the written language of the screenplay. The form of expression is whatever helps to make the script uniquely yours. In one sentence he has helped to define a whole personality. Finding the style and expression that suits you best as a writer evolves over time. It has to do with personal taste and with established writing ability.