Textures seen in this graphic are ice and some sort of frost.

Using lines and values in certain areas to make the ice stand out. Like she is actually frozen over.

The texture pretty much sales what the movie is about. The setting takes place somewhere cold. "Whiteout" being the name of the movie, cold. The lines and values used to make the texture, ice, in this ad or poster, sale the movie itself without even reading the title.